Every sentence ends with a full stop or question mark.
每一个句子都以句号或问号结尾。
Have a comment or question on this article?
对于本文有什么评论或问题吗？
You have identified a worthwhile problem or question which has not been previously answered.
你必须找到一个有意义的问题，并且它以前从来没有被回答过。
Write your problem or question on a piece of paper in such a fashion that "yes" or "no" could be the answer.
在一张纸上写下你的问题，这个问题应该是可以直接用“是”或“否”来回答的。
End every sentence with a full stop or question mark.
每一个句子都以句号或问号结尾。
End every sentence with a full stop or question mark.
每一个句子都以句号或问号结尾。
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