phrasal-verb
trickle down
富裕層から貧困層に徐々に広がること;下層階級に間接的に利益をもたらすこと
Meaning
to spread gradually from the wealthy to the less wealthy; to benefit lower classes indirectly
Example
Many economists argue that wealth doesn’t always **trickle down** to the poor.
多くの経済学者は、富は必ずしも貧困層に**trickle down**しないと主張しています。