适宜是相对的；始终必须问问：“适宜什么？”

Fitness is relative; one must always ask "Fit for what?"

《柯林斯英汉双解大词典》

我们必须认识到服务在产品供应中的相对重要性。

We must realize the relative importance of service in a product offering.

youdao

到了19世纪90年代，自发的微笑相对容易捕捉，所以我们必须从别处寻找解释，为什么维多利亚时代的人仍然对微笑犹豫不决。

Spontaneous smiles were relatively easy to capture by the 1890s, so we must look elsewhere for an explanation of why Victorians still hesitated to smile.

youdao

And against that we would then have to subtract the sum total of the negative experiences, all the failures and deceptions or what have you.

与此相对，我们必须,减掉消极经历的总和，所有的失败和受到的欺骗。

耶鲁公开课 - 死亡课程节选

Yeah, you have to take 2 lower divisions

你必须选两个相对较低的分支学科，

关于政治学 - SpeakingMax英语口语达人

So if you go back to Eisenhower, for instance, he said anyone who had seen the sacrifice and the blood of his friends has got to be humble, has got to understand humility, s something so much larger than we are.

如果回到艾森豪威尔时期，他说任何人,凡是见过朋友牺牲流血,都必须谦逊，都必须理解为何谦逊，因为相对而言，我们很渺小，because，it’

普林斯顿公开课 - 国际座谈会课程节选