Expiration means expiration. According to different situations, "due" can be understood as rushing to hand in applications, papers, homework and other different things. The most difficult experience for international students during their study abroad is expiration.

Catch up with due more commonly means handing in homework or papers. For example: "Today is the 7th. If the paper catches up with due, it is estimated that there will be no time. " The expiration of make-up lessons here is basically the deadline for homework in various subjects, that is, deadline or deadline, abbreviated as ddl. Under normal circumstances, this kind of homework accounts for a large proportion of the final grade, and it will be checked again.

Related words:

1, ddl: a popular word in universities, full name deadline, which means deadline, mainly refers to various tasks to be completed in universities.

2. University catching up with ddl generally means that there are many tasks or homework to be completed during the university, such as ddl of departments, ddl of classes and ddl of various professional courses. Because all kinds of ddl need to be completed, it forms the form of catching up with ddl.