矿工的安全永远不应该用成本效益分析来衡量。
形容医生对待患者时应保持高度谨慎和责任感
We don't inherit the land from our ancestors; we borrow it from our children.
Efficient market theory is correct in that there are no gross inefficiencies， but we look at anomalies that may be small in size and brief in time.
I don't feel like I have to please anyone. I feel free. I feel like I'm an adult. I'm grown. I can do what I want.
Humor is a powerful tool in children's books; it can make serious topics accessible.