у нас много общего

we have a lot in common

→ у
phrase Rare #43,317
we have a lot in common Literally, “there is a lot in common at us”; у нас expresses possession in this construction.
RU: Мы быстро подружились: у нас много общего.
EN: We became friends quickly; we have a lot in common.

Уверен, что у нас много общего.

I'm sure we have a lot in common.

У нас много общего..

We have a lot in common.

— Джуно (2007)

Я уверен, у нас много общего.

I'm sure we have a lot in common.