接口不包含方法的实现。

Interfaces contain no implementation of methods.

youdao

方面可以包含方法和属性、扩展其他的类或方面以及实现接口。

An aspect can contain methods and fields, extend other.

youdao

它还包含方法概要，这在识别性能不佳或多余调用的代码时很有帮助。

It also includes method profiles, which are extremely helpful in identifying poorly performing code or code that is being unnecessarily called.

youdao

Or he puts it another way, consists of everyone and everything performing those functions for which they are best equipped.

或像他以另一种方法所说，包含每个人及每件事,来执行那些功能,那样他们都可最适当地打点自己。

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