Most applications have custom logic that authorizes users to perform an operation not only on a class, but also on an instance of that class.

大多数应用程序都有定制逻辑，它授权用户不仅仅在类上执行操作，而且还在该类的实例上执行操作。

youdao

The good news is that the operation is not difficult.

好消息是手术并不困难。

youdao

While the original aim was to raise the hull if at all feasible, the operation was not given the go-ahead until January 1982, when all the necessary information was available.

虽然最初的目标是在可行的情况下提高船体，但是直到1982年1月所有必要信息都具备时，这项行动才得到批准。

youdao

Pumps that were used to keep the mine dry have not been in operation since its closure.

VOA: special.2009.07.21

We have to make sure that, in fact, that operation is not linear.

事实上，操作不是线性的，那让我来解释下这一点吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because of course,if I haven't had it no wonder I don't remember it but if I have had it,I would have been given that temporary sort of localized amnesia So of course I wouldn't know whether or not I've had it So you ask the nurse ?" "Have I had the operation yet or not?"

因为如果没有手术,难怪我不记得了,但如果手术了，我会被给予那种,短时间的局部失忆药物,所以当然我不知道有没有做了,你就问护士,“我做手术了吗“

耶鲁公开课 - 死亡课程节选

Bush did not refer to his own role, if any, in the operation, not even to refer to the fact that he caused the war that forced Saddam to flee into a hole in the ground in the first place.

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But approaching photography like a covert operation is not the most ethical way to get a great shot.

BBC: Taking photographs of people

Authorities say the massive security operation is not intended to deter people from coming to Washington.

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