These​ ​are​ ​the​ ​demanded​ ​Main​ ​functions​ ​in​ ​your​ ​prototype: An assignment is a activity or bit of perform that you are specified to complete, Specifically as section of the job or scientific tests. Assignment 的类型分为很多种，大到group work 的project，小到一二道数学题目。每个 assignment 都有老师想要考察同学对学科课程的理解与知识运用。上课不小心开了小差，可能这个知识点课... https://bookmarkssocial.com/story12761183/the-basic-principles-of-%E4%BB%A3%E5%86%99assignment