世间万物都有爱，很多种爱是可遇而不可求的。

The temporals all have the love yet many of it have chance but not be.

youdao

美丽的梦和美丽的诗一样，都是可遇而不可求的。

Beautiful poetry and beautiful dream, are met without resort to the.

youdao

好伙伴在经营中——和生活中——都是可遇而不可求的，一定要好好珍重他们。

Good partners in business — and in life — are really hard to find, so treat them like gold.

youdao

If you tried to do one alone it would not work, so we decided to divide it up imperfectly and there may be some repetition between our two courses.

非要分开单独来学的话是不可行的,所以我们只能退而求其次,分割后的两门课可能会有重复的部分

耶鲁公开课 - 金融市场课程节选

But nevertheless Aristotle understands that a person this pambasileia this person of superlative virtue is not really to be expected.

但亚里士多德明了一个人,这位，Pambasileia，这位具有,顶级美德的人是可遇不可求的。

耶鲁公开课 - 政治哲学导论课程节选