"Ni bezonas pli da volontuloj por tiu komitato."

Translation: We need more volunteers for that committee.

[andrewgtreantos]

When is it necessary to use "da"?
Why not just pli volontuloj?

[mizinamo]

Because "pli" is not an adjective -- you could say pliajn voluntulojn, which would mean something like "additional volunteers" however rather than "more".

[DWYato]

I hear "benonas" with no "z" sound.

[CameronNed]

I really, really, really wish Esperanto had a slow audio option like all the other languages.

[LFenske]

I hear "belonus". No "z" sound.

[pamiortooq]

Trinku akvon, rakontanto! Dolorigas min aŭdi vin lukti.