You need to hand in these forms in person.

你必须亲自去缴交这些表格。

youdao

Swaps on the other hand, come in many different forms.

另一方面，互换是以多种形式出现的。

youdao

Swaps on the other hand, come in many different forms.

另一方面，互换是以多种形式出现的。

youdao