it is said that 释义：
据说
例句：
It is said that she lived to be over 100.
据说她活了100多岁。
it is saying that释义：
它说的是
例句：
It is saying that economic development should make for a cleaner world?
经济发展应该有助于建设一个更清洁的世界？。
it is said that 释义：
据说
例句：
It is said that she lived to be over 100.
据说她活了100多岁。
it is saying that释义：
它说的是
例句：
It is saying that economic development should make for a cleaner world?
经济发展应该有助于建设一个更清洁的世界？。
