It\'s said that 和 It says that

It\'s said that 和 It says that
It\'s said that 和 It says that

It\'s said that 和 It says that
It\'s said that是“据说”的意思,而It says that 则是指某个文书或故事或规定如此说,用例子来说说明会更直观些.
1.It is said that Chairman Mao used to live here.
据说毛主席曾在此居住过.
2.I read the weather forecase on the newspaper.It says that it is gonna rain tomorrow.
我读了今天报纸上的天气预报,它说明天会下雨.

过去的说法
后面那个是现在的,也可以是将来的说法,表示客观的真理或者是现在说法都可以