no point to 和no point in

no point in doing sth 做.没有意义,通常和there be 句型搭配
例句
There's no point in wasting time.
没必要浪费时间.
no point to 也是没有意义的意思,但是后面通常不与 doing sth 连用,可以与to do 连用
例句
it would be no point to it.
做了也没有意义