Sublimation is you might have a lot of energy, maybe sexual energy or aggressive energy, but instead of turning it to a sexual or aggressive target what you do is you focus it in some other way.

升华是你有很多的能量，可能是性能量，也可能是攻击能量，但你并未将它们指向性目标或攻击目标,而是将这些能量以其他方式进行了释放。

耶鲁公开课 - 心理学导论课程节选

You use the "let's" pattern when you suggest to a friend, a colleague or to anybody that you do something a certain way.

当你在向朋友、同事或任何其他人提出建议，希望大家以某种方式做某事的时候，你可以使用“let's”句型。

Let's 课堂 - SpeakingMax英语口语达人