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

And now that I'm becoming a professor, hopefully, that work-life balance will be even better,

而现在，我就要成为一名教授了。我希望可以更好地平衡工作与生活，

为什么是会计学呢？ - SpeakingMax英语口语达人

All actions aim at preservation or change, at making something better or preventing it from becoming worse.

所有行动都是为了维持或者改变，为了让事物变得更美好,为了不让它变得糟糕。

耶鲁公开课 - 政治哲学导论课程节选