I live on the second floor.

我住在二层。

youdao

I live on the second floor, and he lives on the first floor.

我住在二层，他住在一层。

youdao

Where do you live? I live on the second floor.

你住在哪？我住在二层。

youdao

I live on the second floor, he lives on the first floor.

我住在二层，他住在一层。

普林斯顿公开课 - 人性课程节选

And people, my neighbors, are always surprised because I live on the second floor apartment, and there are usually 40 pairs of shoes in front of my gate, and people play cards inside and play chess.

CNN: Jack Ma Talkasia Transcript