There are various stores and restaurants all under one roof.

在同一栋大楼里有各种商店和饭馆。

The firms intend to open either together under one roof or alongside each other in shopping malls.

这些公司打算要么开在同一栋楼里，要么在商业街上比邻而开。

Since you all live under one roof, you should learn how to get along with one another .

既然你们都住在同一个屋檐下，你们应该要学习如何与彼此相处。

Rumei: Oh, I get it. UNDER ONE ROOF.

如梅：喔，我明白了，这叫under one roof。

Rumei: Under one roof? What does that mean?

如梅：under one roof是什么意思？