多使用公筷是很有必要的。

It's very necessary to use public chopsticks more.

youdao

总之，青少年多做运动是很有必要的。

All in all, it's necessary for teens to do more exercise.

youdao

让孩子们学会明智地花钱，是很有必要的。

It's necessary for kids to learn to spend money wisely.

youdao

What exactly that purgation will entail and why Milton's voice needs to be purged at all I think these questions are really the subject of the entire rest of the poem.

这种净化是很有必要的,弥尔顿的语言为什么需要被完全净化,我认为这个问题才是所有剩余诗歌,真正的主题。

耶鲁公开课 - 弥尔顿课程节选

I mean, it's kind of a necessity for a lot of students, myself included, to have these jobs

我的意思是，对于大多数学生而言，
也包括我在内，做这些工作是很有必要的，

再没时间也要挤出来 - SpeakingMax英语口语达人

And these are kind of need in the kids.

这对于孩子们来说是很有必要的。

麻省理工公开课 - 媒体、教育、市场课程节选