A necessary sacrifice to bring peace to this planet.

这是保护地球和平安定必须付出的代价。

youdao

Optimus : A necessary sacrifice to bring peace to this planet .

擎天柱：为这星球的和平，牺牲是在所难免的（无论擎天柱的造型怎么变换，不变的总是他那博爱的胸襟和无畏的精神）。

youdao

L Optimus Prime: a necessary sacrifice to bring peace to this planet.

擎天柱：为了给这个星球带来和平，这点牺牲是必要的。

youdao

Well, I think that if the great majority of people try to derive maximum utility out of a service, like using cell phones and the convenience that cell phones provide, that sacrifice is necessary for satisfaction to occur.

我觉得如果绝大多数人想要,从某项服务中获得最大功利，比如使用手机，享受手机所带来的便利，那么为了满足需求，这种牺牲就是必要的。

耶鲁公开课 - 公正课程节选

Most believe it was a necessary sacrifice.

BBC: Stark choices for Europe

He thinks we should return to those rates as part of a process where everyone shares in the sacrifice necessary to get our deficits and debt under control.

WHITEHOUSE: Press Briefing