可能是这样的用法:

来源: 2016-09-18 22:45:40 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

From oxford learners dictionaries (entry of it)

  used to refer to a fact or situation that is already known or happeningWhen the factory closes, it will mean 500 people losing their jobs.

衰老不会伤害我可能是这个意思。