Set an expiry for each one-off, and undo the change on schedule (with few or any exceptions).

为每个一次性的配置设置过期时间，在到期时撤消修改（可能有例外情况）。

youdao

As demonstrated earlier in this article, the expiry of a password is governed by the maxage attribute. For example.

正如前面指出的，密码的到期时间由maxage属性控制。

youdao

Policy: The policy defines the attributes such as priority and expiry date for each operation.

策略：策略定义每种操作的诸如优先级、到期日期之类的属性。

youdao

As an example, American new-home sales slowed sharply after an initial end-of-November deadline for the expiry of a buyers' tax credit.

ECONOMIST: Buttonwood

Some guarantees are still plainly needed now, but a firm deadline of, say, five years for the final expiry of the governments' various crisis-induced pledges should be set globally.

ECONOMIST: The financial industry

Investors positioning for the stock to continue to decline picked up deep out-of-the-money November and December expiry puts that look for the price of the underlying to suffer additional double-digit declines in the near future.

FORBES: Call It A Mauling As Bears Claw Into Computer Sciences Corp. Put Options