also red-line, "mark in red ink," 1820, from red (adj.1) + line (v.). Specific sense of "deny loans to certain neighborhoods based on ethnicity" is from 1973, on notion of lines drawn on maps. Used earlier in reference to insurance company practices (1961) and in World War II military slang in reference to a red line drawn through a soldier's name for some infraction, thus denying his pay. Related: Redlined; redlining.
实用例句
1. The bomber is redline at 700 miles an hour.
那轰炸机最大安全速度为每小时700英里.来自辞典例句
2. Can ArcelorMittal Step Over Policy Redline?
安赛乐-米塔尔能否跨过政策红线?来自互联网
3. He played a pivotal role in planning the route and station locations of the MetroLine subway.
