in baseball, 1908, from verbal phrase, from run (v.) + down (adv.). Meaning "list of entries in a horse race and the odds" is from 1935; slang generalized sense of "summary, account, list of information or facts" is from 1945.
权威例句
1. Here's a rundown of the options.
以下是能有的各项选择。
2. a rundown of transport services
交通运输的缩减
3. I missed the meeting. Can you give me the [ a ] rundown ?
我没能参加会议, 你能告诉我会议的 概要 吗 ?
4. Give me the rundown on the election results.
向我扼要概述一下选举结果.
5. The absurd and backward - looking notion of locating a research centre in an effete , rundown, has - been country.