这些增强的功能可以显著提高编程的灵活性，还会降低程序的正文篇幅大小，因而提高了生产率。

These enhancements can significantly increase programming flexibility and also reduce the text size of your programs, thus increasing your productivity.

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请求程序仅通过此方法获取响应中的正文内容。

GET, where the requester only expects body content in the response.

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请求程序通过此方法发送请求中的正文内容，但不会获取响应中的正文内容。

PUT, where the requester sends body content in the request, but expects no body content in the response.

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