论文中，首先，在引言部分根据时代的命题、实践的困惑、理论的启迪三方面提出研究的问题；

In the paper, first of all, in the introductory part of the proposition of the times, the practice of confusion, three areas inspired the theory of research problems;

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一方面，我们应该经常用它来启迪年轻人。

For one thing, we should frequently use it to enlighten the young.

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