But guano might not have outlived its usefulness just yet.

但鸟粪并没有因此失去利用价值。

As an institution, I think it's outlasted its usefulness by quite a large...margin.

作为一种制度，我觉得婚姻必要性十分有限。

Now I'm afraid your usefulness has come to an end.

你别想再骗我们了。

His usefulness might not last forever.

他利用价值不会永远持续下去。

The question of GDP and its usefulness has annoyed policymakers for over half a century.

国内生产总值问题及其作用已经困扰决策半个多世纪了。

But despite their usefulness, predator-foiling eyespots don't occur naturally in mammals.

尽管斑很有用，但阻止捕食斑并不会在哺乳动物身上自然出现。

The World Health Organization has cast out on the usefulness of anti-body tests for the virus.

世卫组织（WHO）否认了新冠病毒抗体测用性。

They've said they're successful because of their usefulness and popularity, not because they're trying to monopolize their industry.

它们称自己成功是因为自己产品有用且受欢迎，而不是因为它们图垄断行业。

So if the president throws cold water on the usefulness of testing, what kind of message does that send?

如果总统对检测有用性拨冷水，那会传递出哪种信息？

However, there’s still some confusion about the usefulness of electric cars, they have a limited range in the recharging.

然而，电动汽车用途仍然存在一些混乱。他们充电范围有限。

Well, thank God I am searching for wisdom and usefulness.

感谢上帝，我在寻找智慧和有用东西。

But its usefulness as a fertilizer or animal feed is limited by the chemicals it contains, like salt, iodine and arsenic.

但它作为肥料或动物饲料用途受到其所含化学物质限制，如盐、碘和砷。

The question of GDP and its usefulness has annoyed policymakers for r over half a century.

GDP及其效用问题已困扰政策制定们半个多世纪。

Also, it means spending money, time, energy, and so on, with the idea that it will increase something in value or usefulness.

此外，它还意味着花费金钱、时间、精力等，认为这将增加某些东西价值或有用性。

The usefulness of heat-resistant glass as cookware was discovered by accident. It started at the Corning Glass Works manufacturing company in New York.

耐热玻璃用作炊具用途是偶然被发现，始于纽约康宁玻璃制品制造公司。

Part of the usefulness of a degree is that it gives a graduate jobseeker an advantage at the expense of non-graduates.

学位一部分用处是给了大学毕业生求职上优势，而这是以非大学毕业生相对劣势为代价。

I disagree. Manners and tradition are all very well, but once they start to control us, they've outlived their usefulness.

我不同意，礼节和传统都很好，但如果它们开始控制我们，它们也就失去用处了。

But some people question its practical usefulness.

但是一些人会质疑它实际行性。

Whereas local collaborations sometimes persist past the point of usefulness, because of social or academic obligations, international ones can be cultivated and dropped more freely.

因为社会和学术规定，当地一些合作有时候虽然无用但是还要持续下去，但是国际合作建立和退出更加自由一点。

What's it's actually getting at is the usefulness of letting the initial act of creation be free of scrutiny and restraint.

它真正想要表达是让人们最初创造不受审查和约束。