世界是残酷的，我的书反映了这一点。
We need to be obsessed with our customers' unmet, unarticulated needs.
世界充满了简单、明显而美丽的事物，以至于人们竟然还会去发明任何东西，这真是令人惊奇。
The key to nudge is to make it easy for people to make better choices.
We want to make sure Chinese babies can drink world-class milk powder.
我们不是环境的受害者，而是自己决定的产物。