A strong commitment to working together will be crucial, says economist Gianluca Benigno of the London School of Economics - crucial for public perception and for jittery markets.

VOA: standard.2009.04.01

For our purposes, I think that won't be crucial, and so I'll sometimes talk about this set of abilities without actually having a canonical list.

但鉴于课程的目的,这点并不在我们的讨论重点之内,所以我也许偶尔会提及人的这些能力,但并不会把它们详尽地列举出来

耶鲁公开课 - 死亡课程节选

These are going to be fairly common-sense definitions, but they're important, and when you get to a problem set, really nailing down what the system is, not more, nor less, in terms of the amount of stuff, that's part of the system, it's going to be often very crucial.

这些是,很常识性的定义，但是很重要，当你要解决问题时，务必要搞清楚系统是什么，它包含多少物质，不能多也不能少，这往往,是非常重要的。

麻省理工公开课 - 热力学与动力学课程节选

Helping breeders quickly develop better varieties of all these crops will be crucial as the world population tops 9 billion by 2050 in the face of a changing climate.

VOA: standard.2010.02.01

"In areas where the sleeping sickness is still very prevalent such as remote areas of some central African countries, which are by the way very unstable areas, it will be also crucial to have simpler treatment and obviously oral treatment would be the best."

VOA: standard.2010.04.05

He says finding that out will be crucial. "Whether this was an act of terrorism conducted by al-Qaida central or that of a lone wolf acting independently, we will have to wait and see for the investigation and what comes out of that, but we do know that al-Qaida and their affiliates have a crazed obsession in targeting the aviation industry,"

VOA: standard.2009.12.27