It's not necessary to do that, but it can be quite convenient.

虽然没有必要这样做，但是这样做是很方便的。

麻省理工公开课 - 热力学与动力学课程节选

The disclosure has to be made convenient so that -it's not like you can get the information by going downtown to City Hall and asking for it.

人们应该能够轻松获得公开信息,这不是说你可以去市政厅,查询信息

耶鲁公开课 - 金融市场课程节选

Is never going to be the most convenient one experimental.

试验中要保持熵恒定,是非常不方便的。

麻省理工公开课 - 热力学与动力学课程节选