The short answer is that you could, but you would not have learned about here-documents.
最简单的答案是,您可以这样做,但您必须先了解 here-documents。
Dear MP: to answer your first question first: no. You are under no obligation to give anyone a reference if you would rather not.
亲爱的万人迷:首先来回答你的第一个问题:不,只要你不愿意,你就没有义务去给任何人提供推荐信。
If you would like to lend a hand and you're hesitant because it is not clear that you have the means, do not give an answer immediately.
如果你想要对他人伸出援手,但是又因为不清楚自己是否有方法而犹豫不决的时候,不要马上答应别人。
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