a dime a dozen
非常普遍或容易得到的;無價值或不重要的
口語·形容事物很普通或廉價
英文釋義
something that is very common or easy to obtain
例句
In this city, coffee shops are a dime a dozen, so you can find one on every corner.
典故來源
源自美國19世紀,當時一毛錢可以買到一打雞蛋等便宜商品,比喻東西很常見、不值錢。