money that is invested or bet by people who have expert knowledge 行家的投资（或赌注）；明智的投资（或赌注）◆It seems the smart money is no longer in insurance (= is no longer being invested in insurance companies). 似乎投资行家已不再把钱投向保险业。
used to say what people who know a lot think will happen 知情者；行家◆The smart money says that real estate prices will fall steadily. 内行人认为房地产价格将稳步下跌。