It is necessary to work hard on English.

对于我们来说，努力学习英语很必要。

youdao

It is necessary to work out relevant laws to effectively protect Olympic intellectual property rights.

有效保护奥林匹克知识产权，需要尽快出台相应的保护法规以及一些细则。

youdao

It is necessary to work out a complete guideline of corpus processing to obtain high quality tagged corpus.

要建成高质量的标注语料库，必须制订出完备的加工规范。

youdao

And what we saw last time is that this was necessary to make things work, this part of it in particular.

上节课我们讲,这是对外做功的必要条件，特别是这个部分。

麻省理工公开课 - 热力学与动力学课程节选

The basic background is that for such a single currency to work it is necessary for there to be fiscal transfers across regions within the currency area.

FORBES: Paul Krugman Shows Why the Euro Cannot Work

And I believe that it is necessary for these parties to work together.

WHITEHOUSE: Press Briefing with President Obama and President Clinton

It is also not always necessary to stop work before starting to draw benefits from a pension.

BBC: Fergus Muirhead