用作情态动词时，我们所谈论的更多是指义务责任以及同意某人不做某件事情。

In this sense, we are talking more about obligation and giving permission to someone not to do something.

youdao

用作情态动词时，我们所谈论的更多是指义务责任以及同意某人不做某件事情。

In this sense, we are talking more about obligation and giving permission to someone not to do something.

youdao