规模和价值效应在不同的市场和时间段中普遍存在。
不要告诉我你做得有多好;告诉我当我使用它时它让我感觉有多好。
Everyone is shy. Other people are waiting for you to introduce yourself to them, they are waiting for you to send them an email, they are waiting for you to ask them on a date. Go ahead.
The power of abstraction is what allows mathematics to transcend the limits of physical reality.