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1·Yes! If you know something, help someone else out. Something like this cannot succeed with just one person doing the answering - hopefully you'll join in too!

是的！如果你知道某个问题的答案，你可以在聊天室中提供帮助。只有一个人帮助回答问题，聊天室是不可能运行好的-希望你能够加入！

2·When you are doing something bad, you cannot help but look around to avoid being seen by others.

在你做坏事时，少不免会东张西望，避免给看到。

3·Sometimes, even knowing that you should not do something, but you still cannot help doing it.

有时候，有些事明明知道不该做，可还是手欠、脑缺、忍不住。