cash in on
US /kæʃ ɪn ɑːn/
UK /kæʃ ɪn ɑːn/

1.
利用, 从中获利
to make a profit from a situation, often in an opportunistic or exploitative way
:
•
They tried to cash in on the sudden popularity of the new toy.
他们试图利用新玩具的突然流行。
•
Many businesses are looking to cash in on the holiday shopping season.
许多企业都希望利用假日购物季。