1
- in the matter of (used typically as the first word in the heading of an official document or to introduce a reference in an official letter)［多用于公函起首处或用来提及公务信函］兹就; 事涉：
re: invoice 87.
兹就87号发票之事。
1.1
- about; concerning关于：
I saw the deputy head re the incident.
我见到了涉嫌这一事件的副校长。
USAGE
It is often said that, strictly speaking, re should be used in headings and references, as in Re： Ainsworth versus Chambers, but not as a normal word meaning 'regarding', as in thanks for your letter re TSB. However, the evidence suggests that re is now widely used in the second context in official and semi-official contexts, and is now generally accepted. It is hard to see any compelling logical argument against using it as an ordinary English word in this way.
词源
Latin, ablative of res 'thing'.