我们练习了四种表达同意的方式：使用标准的短语，使用同义词，举例子和进行总的评论。

We practiced four ways of agreeing: using standard phrases, using synonyms, giving an example and making a general comment.

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语言的类型 标准用法包括那些为使用这种语言的大多数人在任何场合下理解、使用和 接受的词和短语，而不论该场合是否正式。

Standard usage includes those words and expressions understood, used, and accepted by a majority of the speakers of a language in any situation regardless of the level of formality.

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