必然性和偶然性的产生其实都是有原因的。

Necessity and Contingency in fact some are for a reason.

youdao

必然性和偶然性是哲学和逻辑学中一对重要的范畴。

Necessity and contingency are a pair of very important categories in philosophy and logics.

youdao

必然性和偶然性是哲学和逻辑学中一对重要的范畴。

Necessity and contingency are a pair of very important categories in philosophy and logics.

youdao