我不确定国际学生是否需要做额外的事情，比如额外的考试。

I'm not sure there might be additional things that international students have to do like additional tests.

youdao

如果您处理来自美国以外国家的客户，您需要做一些额外的事情。

If you work with accounts from countries other than the US, you have some additional stuff to do.

youdao

第二、有什么额外的事情我能帮你的吗？

Second, what additional things can I do to help you do your job better?

youdao