作业种类。像日常的小作业，评分标准较差，只需随便交上就可以了，不过important paper考察整个课堂知识掌握、花费时间长，pricing为100usd+。附件是一般的收费（人民币）This is the small hands-on job and will be performed Independently. Be sure to go through the whole assignment carefully befor… Read More