在此之前，剖腹产手术普遍只在产妇死去或者快要死的时候才做。
Prior to that, C-sections were generally performed only when the mother was dead or dying.
有时候，在某种情况下，我也会有似曾相识的感觉，但在此之前，我绝对没有遇见过那种情况，比如，我去一个新的地方旅行或者绝对是第一次做这种事情的时候。
Sometimes I get deja vu in a situation that I definitely haven't been in before, like when I'm traveling somewhere new or doing something for the very first time.
在此之前，我从未用过iPhone，苹果博客上看到它的时候真算得上是个惊喜。
I had never owned an iPhone before, which might come as a surprise from an Apple blogger.
仍然没有人可以告诉我什么时候他们的系统会更新，但在此之前我想最容易的办法是我就假装我是他吧。
Still nobody can tell me when the system can be updated, but before that happens I think the easiest thing is that I just pretend I am him.
正在这个时候，几分钟之前离开了房间的特拉德尔带着希普太太重新出现了。尤赖亚在此之前没注意到特拉德尔。“你是谁？”他愤愤地问道。
Just then Traddles, who had disappeared a few minutes before, reappeared with Mrs Heep. Uriah had not noticed Traddles before. ' Who are you? '; he demanded angrily.
在此之前或之后的任何时候，没有那么多的人每个星期都去看电影。
More people went to the cinema every week then than at any time before or since.
在此之前，我们上体育课的时候都是自己在玩。
So in the P. E. class we were just asked to play by ourselves.
在此之前，常识已占上风的时候，我们只有猜测和传闻。
Until then, common sense has to prevail when all we have is conjecture and hearsay.
当我们的游戏玩家进入游戏的时候，会发现我们会利用新的时候给玩家创造一个新的环境，在此之前的正式版及资料片从未出现过。
When players get into the game they will see that we're utilizing and building upon the innovations offered by The Sims 3 to create situations that would not have been possible before.
当我们的游戏玩家进入游戏的时候，会发现我们会利用新的时候给玩家创造一个新的环境，在此之前的正式版及资料片从未出现过。
When players get into the game they will see that we're utilizing and building upon the innovations offered by The Sims 3 to create situations that would not have been possible before.
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