If you are not happy, it's time to change something.

如果你不开心，开始改变吧。

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It's hard to change something as fundamental as how we use energy.

改变我们使用能源的方式是一个基本问题，做到这一点并不容易。

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Do not be afraid to change something in your life. You just might like it.

在生活中不要害怕去改变什么，你或许会喜欢改变的东西。

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This is the idea that a patentshould be given to a machine or something that creates a material change, like a chemical process.

VOA: special.2010.07.16

Movements, organizations, societies whole newspapers came into existence, magazines came into existence to either eradicate something, to change something, or to build something.

运动,组织,社团,整个报纸业的诞生,以及杂志的诞生,无论是根除什么东西,改变什么东西,或者建立什么东西

耶鲁公开课 - 美国内战与重建课程节选

We deliberate with an eye to preservation or change to making something better or to preserve it from becoming worse.

我们商议,以求保守或改变,让事物变好,或保守它不至于变得更坏。

耶鲁公开课 - 政治哲学导论课程节选

Day in, day out it was the same and the same -- and suddenly I wanted to change something.

CNN: Bolshoi Prima ballerina's grace under pressure

But the Luries also realized that they needed to focus their giving if they really wanted to change something.

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If you were to change something at your company, what would it be?

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