If you're competitor-focused， you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.

城市从不沉睡，它的黑暗也是如此。

实现不可能的唯一方法是相信它是可能的。

成功不在于目的地，而在于旅程和你在路上遇到的人。

Natural experiments can provide valuable insights into economic questions.

我们都是在一种没有人能成为大师的技艺中的学徒。