纠结过去没用 📖 解析:口语缩写 = should have, would have, could have 用来感慨往事,潜台词:别总念叨当初了,说再多也改变不了已经发生的事 👉 例句: Stop thinking about it. Shoulda, woulda, coulda. 别再想了,世上没有后悔药。