我总是试图在每个场景中找到真相,即使它令人不安。
The future of drones is not to replace humans, but to help them do their jobs better.
发愤研究学问,常常忘记吃饭,一旦有所收获便又高兴地忘记了忧愁,连自己的渐趋衰老也没有感觉到。
The best business model is a monopoly.