好吧，我认为实质上，原因得再次追溯到这文明国家。

Well, the reason I think essentially is again back to the civilization state.

youdao

实质教育说：关于知识在教学中的作用，还有一种观点认为，选择某种知识作为课程的原因，就在于这种知识本身的价值。

Real Education, said: on the role of knowledge in teaching, there is a view that the choice of knowledge as a reason for the course, is that the value of this knowledge itself.

youdao

但研究者指出了一个实质性的原因他们的爱情。

But research suggests there's only one real reason - their men.

youdao

但研究者指出了一个实质性的原因他们的爱情。

But research suggests there's only one real reason - their men.

youdao