What you do for a living is critical to where you settle and how you live – and the converse is also true.

你的工作决定你在哪里定居和怎样生活–反之亦然。

《柯林斯英汉双解大词典》

We all believe we live in an exceptional time, perhaps even a critical moment in the history of the species.

我们都喜欢相信我们生活在一个特殊的时间，甚至也许是人类有史以来最为关键的时刻。

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Although we live in the land of plenty - and for the most part overeat - there are some critical vitamins that Americans tend to be short on, especially women.

尽管我们生活富裕——大部分地区的人吃得过饱——但是美国人还是缺乏一些重要的维生素，尤其是女性。

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But then I also talk about tolerance, which was a critical value for us becoming a nation with all the different religious groups learning how to live together.

但是我还想谈谈宽容，这一点对我们至关重要,有助于各个不同宗教信仰团体紧密团结,学会共同生活。

普林斯顿公开课 - 国际座谈会课程节选

So, it is from the beginning a society in which the community is a critical element, maybe the critical element, an individual who didn't live in a society could not achieve the kinds of glory and fame,and recognition that you expect from a hero.

所以,它最初是这样一个社会,在这个社会中,集体是一个关键性元素,也许是唯一的关键性元素,一个没有社会生活的个人是得不到,荣誉,名望,赏识,这些英雄们才能拥有的东西的

耶鲁公开课 - 古希腊历史简介课程节选

Live viewership is critical to revenue for the station because television still relies upon the Nielsen ratings to sell advertising.

FORBES: How To Attract a LIVE Television Audience

Among the programs that could be subject to such cuts: Meals on Wheels, subsidized senior housing, and transportation all critical to frail elders trying to live independently at home.

FORBES: Long-Term Care: A Forgotten Issue in the Presidential Campaign

Mobile wireless telecommunications services play a critical role in the way Americans live and work, with more than 300 million feature phones, smart phones, data cards, tablets and other mobile wireless devices in service today.

ENGADGET: US government files to block proposed AT&T / T-Mobile merger (update: companies respond)