I'm always afraid I'll forget how to change back.

我总是担心怕我自己忘了该怎么变回来。

youdao

Most books now say our sun is a star. But it still knows how to change back into a sun in the daytime.

很多书上都说太阳是颗星星。不过好在它还知道怎样在白天再变回太阳。

youdao

You saw how to change directories using the absolute path and the relative path, and you learned how to display the working directory you are in and toggle back and forth between two directories.

您看到了如何使用绝对路径和相对路径更改目录，如何显示所在的工作目录，以及如何在两个目录之间来回切换。

youdao

He must explain to the nation how he will get Britain back on target to reduce climate change.

BBC: NEWS | UK | UK Politics | Blair demands green 'revolution'

When ads were created and it was decided where to run the ads, marketers sat back and watched to see how it would play out with little ability to change the course of a campaign.

FORBES: Healthcare's Age of Agility Will Shuffle Market Leadership

In other words, if you choose to change cloud vendors or move to an offline system how do you get your data back?

FORBES: Is Your Data Safe In The Cloud?