地理学的研究是对地球作为人类居住地的研究。
你要成为自己的太阳,你的世界将因你而明亮。
When [competitors are] in the shower in the morning, they're thinking about how they're going to get ahead of one of their top competitors. Here in the shower, we're thinking about how we are going to invent something on behalf of a customer.