If it happens, it shouldn't be ignored.

假如有这种情况出现，那它不能被忽视。

youdao

If it happens, don't allow this to let you retreat.

如果事情发生了，不要让它吓退你。

youdao

It would be an astonishing achievement if it happens and works.

如果情况真的能如此的话，这将是一个令人惊奇的成就。

youdao

If anything happens to me in my livelihood, then it's spread out over everybody and everybody means the whole world.

如果我的生计出问题了，它将分散到每个人身上,每个人指全世界的人。

耶鲁公开课 - 金融市场课程节选

So, if we look on the periodic table, comparing, for example, s to o, if we have s it's below o, what happens to ionization energy as we go down a table?

那么，如果我们看周期表上，比较，比如，硫和氧，硫在氧下面，当我们沿着表向下看的时候,电离能是怎么变化的？

麻省理工公开课 - 化学原理课程节选

But now, what happens if, instead we look at what happens when we go to some state one to some other state two and it's the pressure. Or the volume, that changes.

但是现在，我们看看如果,我们关系从状态一变化到状态二时,体积或者压强发生变化。

麻省理工公开课 - 热力学与动力学课程节选

Mass-market adoption is not likely to happen, if it happens at all, until at least 2008.

FORBES: The Great RFID Experiment That Wasn't

That is nice for BEA if it happens, maybe not so nice for the industry.

FORBES: BEA Sees WebLogic 9.0 Ready In 12-18 Months

But if it happens, Amazon will continue to cause huge problems for retailers online and off.

FORBES: Magazine Article