如何表达“与.有关”,这三个英语单词有何区别,如何使用?

与.有关
with regard to...
in reference to...
with reference to...
in connection with...
with respect to...
in respect of...
in point of...
三个词意思差不多.可以互换使用.
bear on
依靠,与...有关,对...有影响
例句与用法:
These are matters that bear on the welfare of the community.
这些都是与社会福利有关的问题.
be relative to
关于,相对于,以...为基准
例句与用法:
The detective thought the stick was relative to the murder case.
侦探认为这根木棒和谋杀案有牵连.
concern
涉及,与...有关,影响
词组是 be concerned with/in...
例句：
These problems concern all of us.
这些问题影响到我们每一个人.
Her latest documentary is concerned with youth unemployment.
她最近的一部纪录片是关於青年人失业问题的.
He was concerned in the crime.
他与那起案子有牵连.