People do it at the expense of everything that was a constant in their lives.

人们这样做的代价是牺牲生活中所有一尘不变的东西。

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The ISTP team's research demonstrates that the population and job density of cities rose or remained constant in the 1980s after decades of decline.

ISTP 团队的研究表明，在经历了几十年的衰退后，城市人口和工作密度在20世纪80年代上升或保持不变。

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I've assumed the temperature is constant in all these things.

我们假设，这些过程中温度都是恒定的。

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"Some we cannot rule out are the constant discussions of so-called medical marijuana, marijuana legalization, and the downplaying of marijuana harms so prevalent in today's media."

VOA: special.2010.10.11

We've talked about one the main concepts in physiology being homeostasis, that is 'how do you maintain a constant internal environment?

我们讲到了生理学的主要概念,内稳态,即如何维持内环境的稳定

耶鲁公开课 - 生物医学工程探索课程节选

In order for life to proceed, you need to maintain a constant internal environment.

为了维持生命,人体的内环境需要保持稳定

耶鲁公开课 - 生物医学工程探索课程节选

What legendary economist Joseph Schumpeter called creative destruction is a constant in a free-market economy.

FORBES: Needed: Space-Age Approaches to Space

However, levels stayed constant in other brain areas that played no role in spatial memory.

BBC: Thinking 'drains the brain'

The number of female editors between 1998-2012 has remained fairly constant in the 20%-21% range.

BBC: Women 'struggling' in Hollywood, according to new study