它们向我们介绍不同种类的知识，它指导我们沿著成功之路前行。
They introduce us different kinds of knowledge. They lead us down the road to success.
它们向我们介绍了不同种类的知识，它们引领我们走向成功的道路。
They introduce us different kinds of knowledge. They lead us down the road to success.
“知识付费”产品可以为人们提供不同种类的课程。
"Pay-for-knowledge" products can offer people different kinds of courses.
应用推荐