translation.en: Interestingly enough, an example: One young man who earned a C in the first course and wanted to go on to med school, we said, "We need to have you retake the course, because you need a strong foundation if you're going to move to the next level."
translation.zh: 这里有一个很好的例子 一个年轻人的第一门课拿到了C，他想去读医学 我们说，“我们需要让你重修这门课程， “因为在进入下一个阶段之前你需要一个坚实的基础”