Reflection：
1. What did I do yesterday to make me better?
Yesterday, I ran 4km. I studied the course in YLYK for 300minutes, including The Art of Deal.
2. Did I finish the most important thing yesterday?
yes. i spent one hour reading the book WC.
3. What should I avoid yesterday?
I should not waste the time in the classroom.
4. What should I do next day?
At least I should spare 30mins to read WC.
Get up early.
Run 5km.
Cut the time of seeing the mobile phone.
