不过那两次爆炸案中均无人受伤。

Nobody was injured in any of the attacks.

youdao

但那两次他都为保证一切顺利有所行动。

But both those times, there were things he could do to make sure everything went right.

youdao

您需要重新检查测试过程，并识别那两次测试之间的差异。

You need to re-examine your test procedure and identify the differences between those two tests.

youdao

So my feeling is if we are in downturn it's quite likely to be mild like the last two.

所以我感觉，若要说我们正处于经济衰退,那也很可能和那两次一样轻微。

斯坦福公开课 - 经济学课程节选

If you know more than one person with the same last name, circle it twice.

如果有一个姓你认识的不止一个，那就圈两次。

耶鲁公开课 - 心理学导论课程节选