一回事 1.(同一件事) one and the same (thing) 咱倆說的是一回事。 we were talking about the same thing. 他不懂水和 h2o 分子式是一回事。 he didn't know that water and h2o are one.2.(一方面) one thing 說是一回事, 做又是一回事。 talking is one thing, doing is another
Claiming the need for censorship is one thing , but rationally proving its redeeming values represents a quite different issue 主張審查制度的必要性是一回事,理智地證明它的可取之處是完全不同的另一回事。