They are a vital part of an array of data that we use to assess if we're doing well or doing badly, and that in turn shapes government policies and corporate budgets and personal spending decisions.

它们是一系列数据的重要组成部分，我们用这些数据来评估自己的表现是好是坏，进而影响政府政策、企业预算和个人支出决定。

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A recent wide-ranging society of public opinion found 90 percent of people still placing themselves in particular class; 73 percent agreed that class was still a vital part of British society; and 52 percent thought there were still sharp class differences.

最近的一项广泛的民意调查发现，90%的受调查者仍然把自己归入特定的阶层；73%的人认为阶级仍然是英国社会的重要组成部分;52%的人认为阶级差异仍然很大。

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We will lose a vital part of what has made humanity as a whole so successful as a species.

我们将失去关键的一部分，这部分能使人类成为如此成功的物种。

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The high court has also agreed to hear a case involving part of an anti-terrorism law the government says is a vital part of its effort to fight international terrorism.

VOA: standard.2009.10.01

It's very important because it provides-- does provide energy but it helps with muscle building and with the manufacturing the body does of its own proteins, and therefore, is a vital part of the diet.

蛋白质非常重要,因为它能提供,的确能提供能量,但它也能帮助肌肉塑形,参与身体内自身蛋白的合成,因此是饮食中不可或缺的组成部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"The fight against terrorists and violent extremists has been returned to its right and proper place -no longer defining, indeed,distorting, our entire national security and foreign policy, but rather serving as a vital part of those larger policies,"

VOA: standard.2009.08.06

Each of these neighborhoods is a vital part of this city, as is every single child.

WHITEHOUSE: First Lady Michelle Obama Speaks at Meeting to Address Youth Violence | The White House

It is a vital part of the immune system and helps to fight off infections.

BBC: Sunshine vitamin 'may treat asthma'

PepsiCo10 is a vital part of our strategy to invite innovation into our organization.

FORBES: PepsiCo10 Europe: Tapping the Next Wave of Digital Talent