The 'd' command didn't simply tell sed to delete all incoming data in one fell swoop.

d' 命令不是简单地告诉 sed 一下子删除所有输入数据。

youdao

This produced no output, because the "d" command zapped every single line in the pattern buffer!

这不会产生输出，因为“ d ”命令除去了模式缓冲区中的每一行！

youdao

The third thing to notice is the use of single quotes to surround the 'd' command.

第三件要注意的事是括起 'd' 命令的单引号的用法。

youdao

But even near the end, when she'd lost command of language, she'd mouth the words to "Dayenu" with a smile on her face.

WSJ: Passover Challenged

They'd certainly command more respect than some of the central banks now issuing fiat money in eastern Europe.

FORBES: Magazine Article

That means moviegoers can expect to see films with broad international appeal (more action and visual comedy, fewer movies about baseball and football), franchises like Twilight, and more 3-D movies, which command a higher ticket price.

FORBES: Financing