because so and 的用法

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.