Ea vede imediat diferența și ne arată un pas mai simplu.

Yes. Romanian often drops subject pronouns because the verb form already shows the person and number.

• vede = (he/she) sees
• So Ea vede... and Vede... can both mean She sees...

Using ea adds emphasis or contrast, such as:

• Ea vede imediat diferența, dar el nu. = She sees the difference immediately, but he doesn’t.

So here ea is not required for grammar, but it is perfectly natural if the speaker wants to make she explicit.

Because vede is the correct present-tense form of the verb a vedea (to see) for he/she.

Present tense of a vedea:

• eu văd = I see
• tu vezi = you see
• el/ea vede = he/she sees
• noi vedem = we see
• voi vedeți = you all see
• ei/ele văd = they see

So Ea vede simply means She sees.

Imediat means immediately / right away. It is an adverb.

In this sentence, it modifies vede:

• Ea vede imediat diferența = She immediately sees the difference

Romanian adverbs can often move around more than in English, depending on emphasis. For example:

• Ea imediat vede diferența — possible, but less neutral
• Ea vede diferența imediat — also possible, with slightly different focus

The version in the sentence is very natural and neutral.

Because diferența means the difference, while diferență means a difference or just difference in a more general sense.

Romanian usually puts the definite article at the end of the noun instead of using a separate word like English the.

• diferență = difference
• diferența = the difference

This is called the enclitic definite article.

Because diferența is a direct object, and Romanian does not normally use pe with ordinary inanimate direct objects.

• Ea vede diferența = correct

The marker pe is mainly used with:

• specific human direct objects
• sometimes animate beings
• certain pronouns

For example:

• Văd fata. / O văd pe fata aceea.
• Îl văd pe profesor.

But with an inanimate noun like diferența, pe is not needed.

Ne means us or to us, depending on context.

In this sentence:

• ne arată = shows us

So ne is an unstressed pronoun placed before the verb.

Compare:

• ne vede = sees us
• ne spune = tells us
• ne arată = shows us

With a arăta, English often uses show someone something, and Romanian does something similar:

• ne arată un pas mai simplu = she shows us a simpler step

Because Romanian object pronouns often come before the conjugated verb.

So:

• ne arată = shows us
• literally, something like to-us shows

This is normal Romanian word order for unstressed object pronouns:

• mă vede = sees me
• te ajută = helps you
• ne spune = tells us

Romanian and English structure these short pronouns differently, so this is something learners just need to get used to.

Arată is the 3rd person singular present form of a arăta (to show).

Present tense:

• eu arăt = I show
• tu arăți = you show
• el/ea arată = he/she shows
• noi arătăm = we show
• voi arătați = you all show
• ei/ele arată = they show

So ea arată means she shows.

Mai simplu is the comparative form of simplu (simple), so it means simpler.

Romanian usually makes comparatives with mai + adjective:

• simplu = simple
• mai simplu = simpler
• frumos = beautiful
• mai frumos = more beautiful

So:

• un pas mai simplu = a simpler step

There is no separate word equivalent to English -er here; Romanian uses mai.

Because simplu agrees with pas, and pas is a masculine singular noun.

Romanian adjectives agree with the noun in gender and number.

• un pas simplu = a simple step
• un pas mai simplu = a simpler step

If the noun were feminine, you would use simplă:

• o metodă simplă = a simple method
• o metodă mai simplă = a simpler method

So the form depends on the noun being described.

Yes, in this sentence și means and.

It connects the two actions:

• vede
• arată

So the structure is:

• Ea vede imediat diferența
  și
• ne arată un pas mai simplu

= She immediately sees the difference and shows us a simpler step.

Two useful letters here are:

• ț in diferența

  • pronounced like ts in cats
  • so diferența sounds roughly like dee-fe-REN-tsa

• ă in arată

  • a short central vowel, similar to the a in English sofa, but shorter and clearer
  • arată sounds roughly like a-RA-tuh

These letters are very common in Romanian, so they are worth learning early.

Yes:

• Vede imediat diferența și ne arată un pas mai simplu.

This is still natural Romanian and still means She sees the difference immediately and shows us a simpler step, assuming the context already makes clear who she is.

Adding ea just makes the subject more explicit or more emphatic.