标记其路线
take its course───按照正常程序进行；按照正常[本身]的程序进行
run its course───v.按常规发展
course───vt.追赶；跑过；vi.指引航线；快跑；n.科目；课程；过程；进程；道路；路线，航向；一道菜
mark───vi.作记号；打分数；使有污点；vt.做标记于；打分数；使有污点；标明方位；庆贺；赋予特征；表明；注意；盯人防守；n.标志；符号；痕迹；分数；n.（Mark）马克（人名）
its───n.(Its)人名；(俄)伊茨；pron.它的
three course───三道菜
in course───学完正式课程并经过考试；按照一定顺序
remedial course───补救课程；补习课程；弥补性课程
it its its───它是它的
Different person invests same study time on different course, the results that its obtain finally is different for certain, report can have to the mark notch the difference of on any account.───不同的人在不同学科上投入相同的学习时间，其最后获得的收获肯定是不同的，反映到分数上就会有得分高低的差别。
Mr Delves Broughton did not set out to write a book about the course. Nor is this probably the book that HBS would choose to mark its 100th birthday, which it is celebrating extensively this year.───布劳顿先生并不准备写一本关于学习的书，也不可能是HBS会选来作为其百年诞辰的标志物，因为今年已经大规模地庆祝过了。