The industry of "pay for knowledge" has proved to be lucrative.
事实证明，“知识付费”产业有利可图。
However, the rapid development of "pay for knowledge" has a few problems.
然而，“知识付费”的快速发展也存在一些问题。
The contents of these "pay for knowledge" products are from language learning to gardening or baby caring.
这些“知识付费”产品的内容范围包括语言学习到园艺或婴儿护理。
With a fast network and a smartphone, anyone who has passed the identity (身份) check can be an online teacher, and anyone with an online account can buy "pay for knowledge" products that he or she wants at an affordable price.
通过高速网络和智能手机，任何人通过身份核验后都可以成为一名线上教师，并且任何拥有线上账户的人都可以以实惠的价格购买自己需要的“知识付费”产品。
"Pay for knowledge" is on the rise (兴起).
“知识付费”正在兴起。
"Pay for knowledge" products can help all the people succeed.
“知识付费”产品可以帮助所有人取得成功。
"Pay for knowledge" may be used as a good start for self growth.
“知识付费”可作为自我提升的良好开端。
"Pay-for-knowledge" has been more and more fashionable these years.
近年来越来越流行“知识付费”。
"Pay-for-knowledge" products can offer people different kinds of courses.
“知识付费”产品可以为人们提供不同种类的课程。
Why is "pay-for-knowledge" industry developing so rapidly?
为什么“知识付费”产业发展如此迅速？
People who can teach themselves need "pay-for-knowledge" products most.
能够自学的人最需要“知识付费”产品。
What can we learn about "pay-for-knowledge" industry from Paragraph 2?
从第二段我们可以了解“知识付费”产业的什么信息？
What can we learn about "pay-for-knowledge" industry from Paragraph 2?
从第二段我们可以了解“知识付费”产业的什么信息？
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