Translation of "propagative" into Chinese

Its enjoyable format provides a good vehicle for propagating difficult social messages.

其喜闻乐见的形式为人们传播难以传播的社会信息提供了良好的载体。

of question propagation, that every answer begets more questions.

问题繁殖的想法。就是说,每一个答案都会产生更多的问题。