學個詞 Learn A Word:1699 root cause

　　今天我們要學的詞是 root cause。Root cause 根本原因。世界經濟論壇說，The lack of competitiveness in Europe is the root cause of financial instability and rising unemployment numbers in the region. 缺乏競爭力是歐洲經濟不穩(wěn)定和失業(yè)率高的根本原因。波音787夢幻客機全面停飛。The root cause for the Dreamliner's problems are currently under investigation. 夢幻客機根本問題出在哪里目前正在調查之中。The root cause of gun violence in the U.S. is a hot button topic these days. 美國槍支暴力的根本原因是如今的熱門話題。好的，今天我們學習的詞是 root cause, root cause, root cause...