写作：不仅可以证明你可以精辟透彻的分析，并能有效清晰有力地运用你的分析来说服读者。

Writing: : you must prove you can not only come up with an insightful and thorough analysis, but can also effectively convey your analysis clearly and persuasively to your reader.

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多分析一下你所做的问题的难点和重点， 并且尽可能多的考虑你的教程所面向的读者，考虑初学者肯定没有错。

Try to analyse the difficulty of the achieving the result. This helps you to target more users, both beginners and the ones with intermediate skills.

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