Everything that happens once can never happen again. But everything that happens twice will surely happen a third time.
所有发生过一次的事物都不会再发生。但是所有发生过两次的事物必定会第三次发生。
Collaboration across borders and industries is key to solving the complex problems we face today.
书籍是很好的礼物,因为它们里面包含了整个世界。
Good market design aligns individual incentives with social efficiency.