首頁›Browse›H›happen beforehappen before編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看happen beforehappen before — 動詞動詞1. To occur earlier in time than something else.1.動詞釋義發生之前To occur earlier in time than something else.例句The meeting must happen before the deadline.