Can't close a window - why?

无法关闭一个窗口-为什么？

youdao

It's totally arbitrary which key you press to close a window.

你可以按下任意键去关闭的一个窗口。

youdao

When you return to a Japanese page, please close a window and return.

如果返回到日语的页关上窗请返回。

youdao

In the other context, you know in a Window and a Windows machine, you close it with the X on the top right hand corner, where do you close it in the Mac?

还有一个就是，在Windows操作系统下,当你要关闭某个东西时，需要点击,右上角的“X“,那在Mac操作系统下呢？

哈佛公开课 - 计算机科学课程节选

What is out of the ordinary, however, is that they usually show up fairly close to a launch window.

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Rather than close or minimize a phone window to interact with a background application like a music player, users could control a primary application, like email, via touchscreen or keys, and manage the background application via gestures, said Goren.

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Just a minute, I thought, having found a pair of white-and-tan wingtips, not my style at all, but they seemed in the moonlight to be right out of a store window and close to my size.

NEWYORKER: Wakefield