The -d option can also tell you what the date will be relative to the current date — either a number of days or weeks from now, or before now (ago).

d选项还可以告诉您，相对于当前日期若干天的究竟是哪一天，从现在开始的若干天或若干星期以后，或者以前(过去)。

youdao

General Format: Author (corporations, governments) : Title of Site. Sponsor. Date Created (use n. d. if not given) medium. Date accessed.

基本格式：作者机构，：网页标题。网站，网页制作日月年若无，用。

youdao

General Format: Author (corporations, governments) : Title of Site. Sponsor. Date Created (use n. d. if not given) medium. Date accessed.

基本格式：作者机构，：网页标题。网站，网页制作日月年若无，用。

youdao