"as a matter of course" in Chinese (Simplified)
理所当然地习以为常
Definition
如果某事理所当然地完成，意思是它自然而然并且经常发生，不需要特别注意；这是常规或预期的做法。
Usage Notes (Chinese (Simplified))
这个短语带有半正式或正式语气，常用于书面或商务、官方场合。强调事情按照惯例发生，不适用于稀有或令人惊讶的动作。
Examples
Teachers check homework as a matter of course.
老师们检查作业是**理所当然地**。
We lock the doors as a matter of course every night.
我们每晚**习以为常**地锁门。
New employees receive safety training as a matter of course.
新员工接受安全培训是**理所当然的**。
She greets everyone with a smile as a matter of course.
她总是**理所当然地**面带微笑地跟大家打招呼。
Emails are backed up daily as a matter of course in this company.
公司每天**习以为常地**备份电子邮件。
Complaints are investigated as a matter of course, even if they seem minor.
即使投诉很小，也会**理所当然地**被调查。