translation.en: By the end of each week, the students take a quiz, hand in their homework, which are assessed by their peers under the supervision of the instructors, get a grade, move to the next week.
translation.zh: 每周结束的时候， 学生们参加一个测验， 提交他们的课外作业， 作业会在教师的监督下 由同学互相评估， 得到成绩，然后继续下一周的学习