The euro's survival so far was not inevitable.

目前欧元的存在在必行。

It was imperative both for medical science and for art.

对医学和艺术来说都在必行的。

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

对于您个人以及我们作为个国家的成功来说都在必行的。

It's imperative that blacks and whites study the Asian American history.

黑人和白人必须研究亚裔美国人的历史在必行。

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

至内不要我交流：在必行的。

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

限制气温上升在必行，它的影响太可怕，甚至今夏季的气温也上升了1.5度。

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

就我所说的“非洲的知识在必行” 。

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， 它会超越简单的种选择，而成为种在必行的做法。

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

陛下的妈虽然纪不大， 但闹出大绯闻就另当别论了， 所以在必行的——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.

每都有些轻人甚至在波士顿惊动父母的心， 虽然欧洲的诱惑不可抗拒的， 但摆脱波士顿的诱惑可能在必行的。

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，不仅包括子女对父母的尊重，还包括子女对父母的尊重。

The Fosters knew it, they felt it, they realized that it was imperative; but they also knew that to do it properly and perfectly the task must be carried to a finish without a break when once it was begun.

福斯特家知道， 他们感觉到， 他们意识到在必行的；但他们也知道， 要正确、完美地完成任务， 任务旦开始， 就必须不间断地完成。