很难准确回答，确实需要些经验。
That's a tough question to define exactly, and really it will take some experience.
这不是你的问题准确回答但它可以解决你的问题。
This is not exactly answer for your question but it might solve your problem.
准确回答问题。教授会花上令人难以置信的时间用来构造论文的问题。
Answer exactly the question (s) asked. Professors spend unbelievable amounts of time formulating the questions for the paper.
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