If the firm cannot sell its products, it will go bankrupt.

如果这家公司无法销售其产品，它将面临破产。

《柯林斯英汉双解大词典》

Please let us know if you cannot attend the meeting.

你若不能参加会议，请通知我们。

《牛津词典》

Doctors cannot effect a cure if the disease has spread too far.

假如这种疾病已扩散得厉害，医生也无法妙手回春。

《牛津词典》

She says people might have difficulty completing an activity if they cannot expect some kind of reward in return.

VOA: special.2009.09.29

And you just think that's just gone, if that sea decide to take that house, it's gone, you cannot do it.

这时你会想说，这房子肯定会被毁掉的，如果大海要毁掉它，它就会毁掉，做什么都没有用的。

普林斯顿公开课 - 人性课程节选

And just to give you a sense, if you do a cross-cut of this, you cannot show it from this angle, but it should really be sort of a dumbbell shape with the nodal plane in between the two nuclei.

告诉你们这些就是给你们点概念，假如你们把他横切切开，不能从角度上展示，但它还是会保留几分哑铃的形态,以及在两核之间的节面。

麻省理工公开课 - 固态化学导论课程节选

If you cannot change the law, if you cannot create the law, follow the law.

CNN: Jack Ma Talkasia Transcript

At least, if cannot solve the fundamental problems, it can help the one side to have a better understanding of why the other side disagrees over something.

NPR: Chinese President Visits Washington

Politicians promise low-skilled workers a higher wage, but that promise cannot be kept if employers cannot profit from retaining those workers or hiring similar workers.

FORBES: The Minimum Wage Delusion, And The Death Of Common Sense