如果此事发生，它将改变宗教广播的面貌。

If this happens it will change the face of religious broadcasting.

《柯林斯英汉双解大词典》

如果有罪行发生，那么根据事实，这是有罪的一方。

If a crime occurs then there is, ipso facto, a guilty party.

《柯林斯英汉双解大词典》

如果头痛只发生在晚上，缺少新鲜空气和氧气常常是其原因。

If headaches only occur at night, lack of fresh air and oxygen is often the cause.

《柯林斯英汉双解大词典》

But what if of certain abusive families and any religious background in location who really confine women to their home?

但是，如果在某些发生虐待现象的家庭里,有着某种宗教背景,而这种宗教背景又允许监禁妇女的情况发生呢？

普林斯顿公开课 - 人性课程节选

What difference would it make had Frost, as he could have, I suppose, reversed the order of lines 13 and 14?

如果把13行与14行颠倒之后，会发生什么呢？

耶鲁公开课 - 现代诗歌课程节选

If somebody just steps back and truly listens and watches the customers rapidly iterates, good things tend to happen.

如果有人能够退后一步,认真倾听用户的需求，好事就会发生。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选