Ma: First, the issue of how to look at each other has been a major topic of China-US SED from the very beginning.

马朝旭：首先关于如何看待对方的问题，从一开始这就是中美战略与经济对话探讨的重要问题。

youdao

A detailed tutorial on regular expressions is something for another article, but you'll take a quick look at some handy patterns for use with sed here.

本文并不打算详细地介绍正则表达式，但是在本文中，您将简单了解sed所使用的一些有用的模式。

youdao

As with many of the text commands we have looked at so far, sed can work as a filter or take its input from a file.

如同我们目前已经了解的许多文本命令一样，seb可以充当一个过滤器，或者从文件中获取其输入。

youdao

Sed at massa vel velit scelerisque tincidunt.

UNESCO: How does NatCom select its members?

Sed leo quam, porta in, egestas sed, dapibus at, arcu.

UNESCO: What does it do?