你必须愿意失败,才能成功。
You have to be willing to fail in order to succeed.
The beauty of instrumental variables is that they allow us to see the world in a new light.
The most valuable asset any organization has is its people—invest in them wisely.
当我接近一个孩子时,他激发了我两种情感:对他现在的温柔,以及对他可能成为的尊重。