Sur la dua paĝo de la menuo estas viando, sed sur la unua estas nur legomaj pladoj.

Esperanto often allows flexible word order. Here, Sur la dua paĝo means On the second page, and it is placed first to set the scene.

The basic meaning is:

• Sur la dua paĝo de la menuo estas viando
• On the second page of the menu there is meat

In English, we often also do this with there is/there are. Esperanto can similarly put the location first, and then the thing being talked about comes after estas.

Sur normally means on.

So:

• sur la dua paĝo = on the second page
• sur la unua = on the first one / on the first page

Even though a page is not literally a surface in quite the same way as in all languages, Esperanto uses sur naturally here, just like English uses on a page.

These are ordinal numbers:

• unua = first
• dua = second
• tria = third

Esperanto forms ordinals with -a, because they behave like adjectives.

So:

• la dua paĝo = the second page
• la unua paĝo = the first page

Because they are adjectives, they can stand before a noun just like other adjectives.

La is the definite article, meaning the.

Here it is used because we are talking about specific pages:

• the second page
• the first page

So:

• la dua paĝo = the second page
• la unua = the first one / the first page

De usually means of or from, depending on context.

Here it means of:

• la dua paĝo de la menuo = the second page of the menu

So de la menuo tells you what the page belongs to.

Because paĝo is understood from the first half, Esperanto leaves it out to avoid repetition.

So:

• sur la unua literally means on the first one
• in context, it means on the first page

This is very natural. English does the same:

• On the second page there is meat, but on the first only vegetable dishes.

The noun does not need to be repeated if it is clear.

Both orders are possible, but estas viando is especially natural after a location phrase.

Compare:

• Sur la dua paĝo de la menuo estas viando.
• On the second page of the menu there is meat.

This structure presents what is found in that place. It is similar to English there is.

If you said Viando estas sur la dua paĝo de la menuo, that would be more like Meat is on the second page of the menu, which is also grammatical but gives a slightly different emphasis.

Viando means meat as a general substance, so it is uncountable here.

• viando = meat
• viandoj = kinds of meat / meat dishes / meats, depending on context

In this sentence, the menu page contains meat items in general, so viando is enough.

Because viando here means meat in a general sense, not the meat.

Esperanto uses la only when something is definite and identifiable. Here the idea is:

• there is meat not
• there is the meat

So estas viando is the natural wording.

Sed means but.

It connects the two contrasting parts:

• On the second page there is meat,
• but on the first there are only vegetable dishes.

So sed marks the contrast between the contents of the two pages.

Let’s break it down:

• nur = only
• legomaj = vegetable, made of vegetables, relating to vegetables
• pladoj = dishes

So nur legomaj pladoj means only vegetable dishes.

The word nur limits what follows. It tells you that the first page has no meat dishes, only vegetable ones.

Because adjectives in Esperanto must agree with the nouns they describe.

Here:

• pladoj is plural because of -j
• so the adjective must also be plural: legomaj

Compare:

• legoma plado = a vegetable dish
• legomaj pladoj = vegetable dishes

This matching of endings is one of the basic rules of Esperanto grammar.

Because the meaning is dishes, not a dish.

In Esperanto, plural nouns end in -j:

• plado = dish
• pladoj = dishes

Since the sentence says there are only vegetable dishes on the first page, the plural is required.

Because none of these nouns is a direct object.

The sentence is describing what exists on certain pages:

• Sur la dua paĝo ... estas viando
• sur la unua estas nur legomaj pladoj

The nouns viando and legomaj pladoj are not being acted upon; they are the things that are present. So no accusative is needed.

You often see no -n after estas, because the word after estas is usually not a direct object.

Yes, but it would mean something slightly different in structure.

For example:

• La dua paĝo de la menuo havas viandon, sed la unua havas nur legomajn pladojn.

That means The second page of the menu has meat, but the first has only vegetable dishes.

This is understandable, but the original sentence with estas is often more natural when describing what appears in a place:

• On the second page there is meat...

Also note that with havas, the objects would take -n:

• viandon
• legomajn pladojn

It is:

• Sur la dua paĝo de la menuo = On the second page of the menu
• estas viando = there is meat
• sed = but
• sur la unua = on the first (page)
• estas nur legomaj pladoj = there are only vegetable dishes

So a very literal version would be:

• On the second page of the menu is meat, but on the first are only vegetable dishes.

A natural English version is:

• There is meat on the second page of the menu, but only vegetable dishes on the first.