otherwise however 等前后加标点的连词有哪些,为毛前后加标点,能不加吗

题目

otherwise however 等前后加标点的连词有哪些,为毛前后加标点,能不加吗

答案

otherwise、however是副词,在句子中提前,用逗号隔开.
but,so之类是连词,所以直接引导句子.