All languages have two general levels of usage—a formal level and an informal level.

所有语言都有两种基本的用法——正式用法和通俗用法。

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To give a definition of a word is more difficult than to give an illustration of its use.

给一个词下定义要比举例说明它的用法困难得多。

《新英汉大辞典》

It's an unbelievably useful tool: I feel like I find a new use for mine every day.

数码相机是一个难以置信有用的工具：我每天总能找到一个新的用法。

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When you talk about something like the Shakespeare canon, the canon of Shakespeare or the canon of great Western Literature that's actually using the term in a bit of an expanded sense.

当你谈到莎士比亚经典，或者伟大西方文学的经典时,那是该词的广义用法。

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But practice this, because it's something that's such an easy way to ask such a variety of questions.

但是你仍然需要好好练习，因为这个简单的用法能够提出各种各样的问题。

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