If their forces were not involved, then who is to blame?

如果他们的军队没有参与，那么谁应该受到指责呢？

《柯林斯英汉双解大词典》

If you are not prepared, then you will not be able to participate in our class discussion.

要是你没准备的话，你就不能参加课堂讨论。

youdao

On the other hand, if you're not college ready, then the answer is no, it's not worth it.

另一方面，如果你还没有准备好上大学，那么答案是不，这不值得。

youdao

If there is a large supply of seeds, then hand-operated presses may not be enough to support a business.

VOA: special.2009.09.29

If I'm not P-functioning, do we have to then say I'm dead?

如果我没有人格功能性，可以说我死了吗？

耶鲁公开课 - 死亡课程节选

As we do these little clicker poll things you can tell me if you find it helpful or not, then we can decide how to continue --whether to continue them in the future.

我们用表决器做这个小测试的同时,大家可以告诉我你们觉得这有没有帮助,然后我们再决定以后是否继续用

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It is hard to escape the conclusion that "financial repression" - as mooted by Reinhart and Sbranica - is, if not under way, then being pieced together ad hoc out of the anti-crisis measures in Europe.

BBC: Business

"We have every reason to believe -- if not on Day One, then in the very near future -- they will be issuing an order rescinding this policy, " said Amy Comstock Rick, president of the Coalition for the Advancement of Medical Research.

CNN: Obama may reverse Bush policies on stem cells, drilling, abortion

There are some things we can glean from the specifications of the device, however, including the lack of a front-facing camera on the 8S. Given that the Microsoft-owned Skype looks likely to be a core feature of the new Windows mobile OS, it seems a shame to not include -- if not the wide-angled front-facer of the 8X -- then something a little tamer.

ENGADGET: Windows Phone 8S by HTC hands-on: a bright Windows phone that holds promise (video)