艾丽阿娜，我们言归正传吧，进入，下一章，是一个阶段学说。

Arianna, you wanna bring us back? Let's go into the next chapter, which is a stage theory.

youdao

艾丽阿娜，我们言归正传吧，进入，下一章，是一个阶段学说。

Arianna, you wanna bring us back? Let's go into the next chapter, which is a stage theory.

youdao