这里是重构过的按钮类，使用了这个trait。

Here is the refactored button, which USES the trait.

youdao

我们可以把按钮类的逻辑从回调逻辑中分离出来，这样每一个逻辑组件变得更加简单，更模块化，更可重用化。

We would like to separate the button-specific logic from the callback logic, such that each logical component becomes simpler, more modular, and more reusable.

youdao

他们转向如电视、电脑、互联网、录像带、光盘和音频设备一类的电子媒体，按下按钮就可自娱自乐。

They turn to electronic media such as television, computers, the Internet, videos, CDs and audio equipment, which can provide them with instant self-entertainment at the push of a button.

youdao