filter down
动词 v.
英文释义
动词 v.
- Of a liquid; to move slowly down to lower substrate levels.
-
(by extension) Of information, or resources; to move slowly down to lower levels of an organisation, or population.
— They might say that the economy is improving, but it is taking a long time for any money to filter down to the poorer classes.
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数据来源: Wiktionary