如果你想得到亲笔签名或问个问题，在动手写信前你一定要多了解一些他或她的情况。

If you want to ask for an autograph or ask a question, you should make sure to know quite a lot about him or her before you start writing.

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假设你正在开会，你想打断一下演讲者问个问题或发表一下评论，你会怎样做呢？

Imagine that you are in a meeting, and you want to interrupt to ask a question or make a comment. How might you do it?

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