普通得不值钱;(因常见而)价值低
牛津电影里 100%
very common and therefore not valuable
What good will that do, boss? Forget it. Her kind's a dime a dozen.
Phil, when are you gonna learn girls like that are a dime a dozen?
释义来自《牛津高阶英汉双解词典》第 9 版