If you cancel now you'll mess up all my arrangements.

如果你现在取消，就会破坏我所有的安排。

《牛津词典》

If you exceed your credit limit, we have the right to suspend or cancel your account.

如果你超过了信贷限额，我们有权暂停或取消你的账户。

《柯林斯英汉双解大词典》

If you cancel your flight, you will forfeit your deposit.

乘客取消航班订位，定金概不退还。

《牛津词典》

Insurers could not deny coverage to people who already have a condition, or cancel coverage if people get sick.

VOA: special.2009.09.12

If the time you are interested in is not zero, you're allowed to cancel it and get the time from here.

如果你们关注的解不是零时刻,那么就可以忽略它,然后从这里解出时间

耶鲁公开课 - 基础物理课程节选

But in terms of SI units, which become much more useful if you're actually trying to use intensity in a problem and cancel out your units, we're just talking about joules per second is what intensity is.

但是用国际单位制，这个变得越来越有用了,如果你实际上在使用强度,来解决问题和约化单位，我们仅仅讨论每秒钟的焦耳,这就是强度。

麻省理工公开课 - 化学原理课程节选

So if you cancel a purchase contract and receive back your own money, is that income?

FORBES: Contract Cancellations Trigger Taxes

If you cancel a contract and no money changes hands, do you have taxable income?

FORBES: Contract Cancellations Trigger Taxes

If they cancel a flight, those 90 passengers have to be carried on subsequent flights, and it will take roughly nine flights to accommodate them all.

FORBES: Making Bad Travel Worse: Did Airlines Cancel Early For Hurricane Sandy?