世界上到处都是会告诉你你不能做什么的人。你必须做的是找到那些会告诉你你能做什么的人。
无人机的价值在于解决行业的痛点。
People who decry the fact that businesses are in business "just to make money" seldom understand the implications of what they are saying. You make money by doing what other people want, not what you want.