vote with your wallet idiom (US also vote with your purse, vote with your dollars, vote with your pocketbook)
以经济利益为出发点进行选择或投票
to choose or vote according to what is best for you financially
Most people seem to have voted with their wallets rather than with their hearts. 许多人似乎是为经济利益而不是内心所愿而投的票。
If free wi-fi and paid wi-fi are both available, it's not hard to imagine people voting with their pocketbook. 如果同时有免费wi-fi和收费wi-fi，不难想象人们为了钱会选哪一个。