The euro's survival so far was not inevitable.

目前欧元的存在在必行。

We must limit the rise in temperatures whose appalling effects were visible even this summer, to 1.5 degrees.

限制气温在必行，它的影响太可怕，甚今年夏季的气温也了1.5度。

This is what I have called " Africa's knowledge imperative."

这就是我所说的“非洲的知识在必行” 。

It was imperative both for medical science and for art.

这对医学和艺术来说是在必行的。

This is imperative, for you as an individual, and for our success as a nation.

这对于您个人以及我们作为一个国家的成功来说是在必行的。

To address this complex issue, a multifaceted approach is imperative.

为了解决这个复杂的问题, 多方面的方法在必行。

Do not communicate with me for at least a year: it is imperative.

一年内不要与我交流：这是在必行的。

And I think eventually, it's going to go beyond simply being an option, and it's going to become an imperative.

我认为最终， 它会超越简单的一种选择，而成为一种在必行的做法。

His Grace's ma might overlook the age, but a big scandal would be a different matter, so it is imperative—Ah!

陛的妈虽然年纪不大， 但闹出大绯闻就另当别论了， 所以这是在必行的——啊！

Every year some young person alarmed the parental heart even in Boston, and although the temptations of Europe were irresistible, removal from the temptations of Boston might be imperative.

每年有一些年轻人甚在波士顿惊动父母的心， 虽然欧洲的诱惑是不可抗拒的， 但摆脱波士顿的诱惑可能是在必行的。

In order to strengthen the relationship, it is imperative to cultivate the respect between generations, which not only includes the respect to parents from children but also the other way around.

为了加强关系，培养代际之间的尊重在必行，这不仅包括子女对父母的尊重，还包括子女对父母的尊重。