You may feel defeated (失败) before beginning.
你可能在开始之前就有挫败感。
So before beginning, I'll quickly review the basics.
因此,我先回顾一下基础知识。
These are all good questions to consider before beginning.
所有这些都是开始安装前应该考虑的问题。
Health experts advise people who have been physically inactive to have a complete physical exam before beginning a new exercise program.
VOA: special.2011.06.28
I'm proud to say that I have been involved in most of the president's policy decisions, beginning before he was president all the way through to the end.
我可以自豪地说,我参与了总统的大多数政策决定,在他当选总统之前就开始了,一直到最后。
The beginning of fall semester, actually right before classes start,
秋季学期开始,实际上就是在开始上课之前,
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