That very afternoon as soon as he got the permission, he started the work, but he couldn't afford all the tools or the plants that were necessary for it.

就在那天下午，他一得到许可，就开始工作，但他买不起所有必要的工具和植物。

youdao

This could take several years, but it’s a very rewarding process, and very necessary.

这要花好几年的时间，但这样做非常值得，也非常必要。

youdao

If you want to enjoy a Chinese meal in the real sense, it is not only necessary, but also very interesting, to spend some patient time learning to acquire the skills of using chopsticks.

如果想享用一顿真正意义上的中餐，那么花时间耐心学习用筷技艺不仅很有必要，而且也很有趣。

youdao

It's not necessary very well formatted but it looks pretty complex, right?

排版不是很整齐,看起来也非常复杂，不是吗？

哈佛公开课 - 计算机科学课程节选

Now, this vital cancer drug is seen realistically as a very toxic but very necessary treatment for many cancers.

FORBES: Provenge

Responding to his comments, Business Secretary Vince Cable said the "painful but very necessary" cuts had been brought on by Labour's mismanagement of the economy.

BBC: UK economy 're-entering danger zone' - Balls

And in some areas that???s very necessary but in other areas it just seems to me that we don???t know enough in order to be able to use regulatory authority as sensibly as we would hope it would be used.

FORBES: Intelligent Investing Briefing Book