For example, ’Rob will be on holiday for an indefinite period of time.’

例如，罗伯将会有一个没有明确期限的假期。

We allowed student longer time to pay off any expenses they had from previous semesters.

允许学生有更长的期限来支付他上学期的所有费用。

Especially if you work at a place that has deadlines.

尤其是如果你工作场合会有最后期限的话。

But there was a time for everything, she also said. Often.

“但凡事都有个期限。”她经常会这么说。

But it is not clear yet how long vaccines provide protection against disease.

但是目前尚不清楚疫苗对这种疾病的防护期限有多久。

Russia has a responsibility to prolong it, otherwise global food insecurity will be the consequence.

俄罗斯有责任延长期限，否则将导致全球粮食不安全。

You can't put a date on a dream.

梦想怎么会有期限呢。

However, if there was a deadline, like having an exam in three days, I would become extremely disciplined and I would study nonstop and I would ignore all distractions.

但是，如果有了最后期限，比如三天后要考试，就会变得非常自律，就会不停地学习，会忽略所有让分心的事情。

One of the main things you want to pay attention to in a lease is just how long the lease is going to last.

在租赁合同中，您需要关注的主要事项之一就是租赁的期限有多长。

Just don't take too long to decide, because whoever's asking probably has a deadline and needs to find someone else.

不要花太长时间来决定，因为无论是谁提出请求，可能都有最后期限，需要找到其他人帮忙。

You know, we're coming down just - it's going to be two final days up until the 12th.

在4月12来临之前，有两个最后期限。

Because of editorial deadlines, we must have our ads to the publications by the 15th of the month.

因为编辑有期限，必须在这个月的十五号之前将广告文件送交出版社。

Plus, some choices, like job offers, usually have deadlines.

另外，有些选择，比如工作机会，通常都有最后期限。

This extension is as flexible as I expected and a little bit shorter than I expected.

这次延期和预想的一样有弹性，但期限比预期的要短。

Or do you have a longer deadline?

或者你有更长的期限吗？

But you need to hurry 'cause there's a deadline.

但你需要快点，因为有最后期限。

Is there a limit on how long it stays irrevocable under this rule?

根据这一规则，其不可撤销的期限是否有限制？

You don't telegraph to your enemy that you have a sell-by date, that you're leaving.

你不该向敌人暗示你有最后期限，暗示你即将撤离。

Like, you know, there's an expiration date to actually doing this.

你知道，实际上做这件事是有期限的。

So this sentence, there's no change in the sentence, we don't have any hints about some kind of different action that's going to happen, instead we have maybe what seems to be a deadline, some requirement here, too.

所以这句话， 句子中没有变化，没有暗示将要发生的某种不同行动，相反， 可能有一个看似最后期限的东西，这里也有一些要求。