vote with your feet idiom
用脚投票（指退离机构、不再支持、不再使用某产品等）
to show your opinion by leaving an organization or by no longer supporting, using, or buying something
When the price of skiing doubled, tourists voted with their feet and just stopped going. 当滑雪的价格翻番的时候，游客们都不愿接受，所以干脆就不去了。