实践中，宏的作用通常由其它一些Lisp特性比如词法闭包以及rest参数大大加强。

In practice their usefulness is greatly enhanced by other Lisp features like lexical closures and rest parameters.

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清单3包括了必须的模块头(它定义了模块的API、类型和宏)。

Listing 3 includes the necessary module header (which defines the module APIs, types, and macros).

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杨嘉宏说，这些游客当中，绝大多数人已经买过包和其它奢侈品，他们想要更多。

'Most of these tourists have already bought the hand bags and other luxuries by now,' said Mr. Yang. 'They want more.'

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杨嘉宏说，这些游客当中，绝大多数人已经买过包和其它奢侈品，他们想要更多。

'Most of these tourists have already bought the hand bags and other luxuries by now,' said Mr. Yang. 'They want more.'

youdao