because　习惯上不与　so　连用.汉语习惯上说“因为…所以…”,但英语习惯上却不能将　so与because　连用：　　因为下雨,所以我们呆在家里　　误：Because　it　was　raining,　so　we　stayed　at　home．　　正：Because　it　was　raining,　we　stayed　at　home．　　　正：It　was　raining,　so　we　stayed　at　home．