People were able to keep a great many more things secret from the rest of the world in the past.

过去，人们能将更多的事情据为秘密，不让其他人知道。

youdao

People were able to keep a great many more things secret from the rest of the world in the past.

过去，人们能将更多的事情据为秘密，不让其他人知道。

youdao