事实上，当特文格之前使用这些数据来说明屏幕时间效应时，一些评论者很快就提出了这个问题。

In fact, when Twenge previously used this data to suggest a screen time effect, some commentators were quick to raise this problem.

youdao

在食物不新鲜之前使用和取代掉它。

Use and replace food before it loses freshness.

youdao

应该在运行表创建脚本之前使用这个命令。

This command should be used before running the table creation script for the subsystem.

youdao

I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

哈佛公开课 - 计算机科学课程节选

Up until then they had been using the old stadium, which now has been turned into a park.

在那之前，他们一直使用旧体育馆；现在旧体育馆已经成为一个公园了。

布朗克斯的景点 - SpeakingMax英语口语达人

printf So here I'm culling printf in a loop again and again, but I'm literally overwriting the previous thing that I wrote.

所以这里我一次次地在循环中使用，但是我逐行地覆盖了我之前所写的东西。

哈佛公开课 - 计算机科学课程节选