But there's also another, more practical reason.

但还有另一个更实际的原因。

In some cases, it is necessary for practical reasons.

在某些情况下，出于实际原因，这是必要的。

Jargon can spread for practical reasons as well as cultural ones.

行话的流行既有文化原因，也有实际原因。

The practical reason is to restrain whoever ends up in Downing Street.

实际原因是要约束最终入主唐宁街的人。

There are practical reasons to ask children to grapple with grammar, too.

让孩子们努力学习语法也有实用方面的原因。

There can be plenty of practical reasons for a chameleon to change colors, too.

变色龙改变颜色也可能有很多实际原因。

So for practical reasons spacecraft can only be sent to Mars every 26 months.

现实面的问题，航空器到火星需要26个月。

For practical reasons for our discussion, we will speak of these universes forming a closed system.

为了我们讨论上的实际考量，我们会讲，这些宇宙形成一个封闭的系统。

Now, there are practical reasons why you may want to know the answer to such a question.

现在也有一些现实的原因让你想知道这类问题的答案。

So it seems unreasonable - not sensible, and more driven by emotions rather than any practical reason.

因此，它似乎是不合理的——不合乎情理的，更多是由情感驱动，而不是任何现实原因。

There was another, more practical, reason.

还有一个更实际的原因。

However, there's a practical  reason for doing this as well.

但是，也有这样做的实际原因。

There was also a practical reason, in a way, for Roosevelt to build this depository.

在某种程度上，罗斯福建立这个存放处也是有实际原因的。

So scientists do think there are some good practical reasons for trying to find these new elements.

因此，科学家们确实认为，尝试寻找这些新元素有一些很好的实际理由。

Hmm, it sounds very wasteful and to me, illogical-not reasonable or sensible and more driven by emotions rather than any practical reason.

嗯，我觉得这听起来非常浪费，不合逻辑——不合理或不理智，更多的是被情感驱使而非切合实际的理由。

One of neuroscience's problems is that experiments are difficult to run, for both ethical and practical reasons.

神经科学的问题之一是，出于伦理和实践的原因， 实验很难进行。

34) Finally, to speak frankly, there is also a more practical reason why i would choose to…

最后，坦率地讲，我选择… 还有一个更为现实的原因。

Kant, too, with his categorical imperative, was on the same road: this was his practical reason.

康德也以他的绝对命令走在同一条道路上：这是他的实践理由。

They're also very popular among people in the cities who like them for practical reasons: they're comfortable.

它们在城市中也很受欢迎，出于实际原因喜欢它们：它们很舒服。

But if you have a genuine and practical reason to learn another language, you will no doubt stick with it.

但如果你有真正和实际的理由去学习另一种语言，你无疑会坚持下去。