La meva neboda vol comprar un ram de flors, però el meu nebot prefereix portar xocolata.

In standard Catalan, possessives like meu / meva are very often used together with the definite article:

• la meva neboda = my niece
• el meu nebot = my nephew

So this is the normal pattern:

• el meu pare = my father
• la meva mare = my mother
• els meus amics = my friends

English does not use the here, but Catalan usually does.

The possessive must agree with the noun it describes in gender and number.

Here:

• neboda is feminine singular, so you use meva
• nebot is masculine singular, so you use meu

The same pattern applies in the plural:

• les meves nebodes = my nieces
• els meus nebots = my nephews

So the possessive agrees with the thing possessed, not with the speaker.

They are the feminine and masculine forms of the same family relationship:

• neboda = niece
• nebot = nephew

Catalan often marks gender this way with different endings:

• -a for feminine
• consonant or another ending for masculine

Not every noun follows exactly that pattern, but this pair does.

This is a very common Catalan structure: a conjugated verb followed by an infinitive.

• vol comprar = wants to buy
• prefereix portar = prefers to bring

So:

• vol is the present tense of voler
• comprar is the infinitive to buy

And:

• prefereix is the present tense of preferir
• portar is the infinitive to bring / carry

This works much like English:

• She wants to buy
• He prefers to bring

Un ram de flors means a bouquet of flowers or a bunch of flowers.

The preposition de is used to link the main noun to what it is made of or consists of:

• un ram de flors = a bouquet of flowers
• una tassa de cafè = a cup of coffee
• una ampolla d’aigua = a bottle of water

So de flors tells you what kind of ram it is.

Catalan often leaves out the article with an indefinite or general mass noun, especially after verbs like portar, comprar, menjar, or beure.

So:

• portar xocolata = to bring chocolate

This sounds natural when talking about chocolate in general, not a specific chocolate item already identified.

If you said la xocolata, it would usually sound more specific, like the chocolate.

Yes, portar can mean both to carry and to bring, depending on context.

In this sentence, prefereix portar xocolata means he prefers to bring chocolate.

Catalan portar is broader than English carry in some contexts. It can refer to taking or bringing something along.

Depending on region and context, Catalan may also use dur, which can have a similar meaning.

Però means but, and the accent marks the stressed vowel and helps distinguish pronunciation.

The grave accent on ò shows that the o is pronounced as an open o in standard pronunciation.

So the accent is not optional here; it is part of the correct spelling:

• però = but

Because però introduces a contrast between two clauses:

• La meva neboda vol comprar un ram de flors
• però el meu nebot prefereix portar xocolata

This is similar to English, where we often put a comma before but when it joins two full clauses.

So the comma helps show the contrast clearly.

The word order is very similar to English:

• La meva neboda = subject
• vol comprar = verb phrase
• un ram de flors = object

Then:

• el meu nebot = subject
• prefereix portar = verb phrase
• xocolata = object

So the overall pattern is basically:

subject + verb + object, però subject + verb + object

That makes this sentence quite approachable for English speakers.

A rough pronunciation guide for an English speaker would be:

La ME-va neh-BO-da vol kum-PRAR un RAM de FLORS, pe-RO el MEU neh-BOT pre-fe-REIX por-TAR sho-ko-LA-ta.

A few notes:

• ll is not present here, so that common Catalan issue does not arise in this sentence.
• x in xocolata is pronounced like sh
• ix in prefereix is often pronounced like esh or eish, depending on accent/region
• ò in però is an open o

Pronunciation varies by dialect, but this approximation is a useful start.