1 "betrayal of learning" can Korean students at the bottom of society be admitted to famous universities by their own efforts? How lucky they are to be born in China.

2. "Identity anxiety" doesn't have to care about what others think of you, and c taync doesn't have to worry about whether it is successful in the eyes of others.

3. "Where are you going tonight?" As an ordinary person. It is normal to stick to your goals and strive to achieve them.

4. The Science of Sleep is a documentary to improve the quality of sleep. Scientific sleep refuses to stay up late.