be in force
US /bi ɪn fɔrs/
UK /bi ɪn fɔːs/
成语
生效, 有效
(of a law, rule, or agreement) to be operative or valid
示例:
•
The new regulations will be in force starting next month.
新规定将从下个月开始生效。
•
This law has been in force for over fifty years.
这项法律已经生效五十多年了。