Same story for sophomore, same story for junior year, I finally took it senior year because they wouldn't get another chance even though it still doesn't fit in the workload ha ha.

大二，大三都是如此，最后我到大四才来上这门课,因为即使学业再忙,再不选就没有机会了，哈哈。

哈佛公开课 - 计算机科学课程节选

It doesn't fit until the last part of the class.

因为只有在讲完课后看才有意义。

耶鲁公开课 - 政治哲学导论课程节选