Homework submitted after that will not be graded but will be kept for reference.

迟于第二天交的作业将不被批改，但是留作参考。

youdao

Reference The journalist kept a card file of information on his desk for easy reference.

新闻记者为方便参考，将资料的目录卡放在桌上。

youdao

this is not a fair comparison, since in many places I’ve kept the original C code as comments for reference.

这并非是一个公平的比较，因为在很多地方我保留了C代码作为注释以供参考。

youdao