This begs the question, why is sex so common when it seems so inefficient?

这就引出了一个问题，为什么性生活看起来如此低效，却如此普遍？

It is inefficient and does not work that well.

不仅效率低，而且效果不太好。

Enforcing a contract through Angola's inefficient and sometimes corrupt courts can take years.

在安哥拉全国强制执行一项合同相率十分低下，而一件腐败案的审理有时能耗费数年。

On the surface, interleaving sounds pretty inefficient.

从表面上看，交叉学习听起来效率很低。

Early car batteries were expensive and inefficient.

早期的汽车电池既昂贵又低效。

And because he's inefficient, he gets replaced.

因为他效率低下，他就被取代了。

However, these canals and pipes are wildly inefficient.

然而，这些运河和管道效率极低。

Because subsidies are not targeted, they are inefficient.

由于这些补贴是面向全社会的，故没什么成效。

So AI today is awfully inefficient.

现在的 AI 极度低效。

Such an inefficient use of resources.

多好的资源都一无所用了。