1.come from 来自；来自于

Many of the clothes come from the world's top fashion houses.
这些服装中有很多出自世界顶级时装设计公司。

The final word will still come from the Secretary of State.
最后仍然要由国务卿来定夺。

2.sit down 坐下

Teachers staged a sit-down protest in front of the president's office.
老师们在校长办公室门前举行了一场静坐抗议。

Let's sit down and then you can say what's up.
咱们先坐下来，然后你把事情告诉我。