单靠技术无法解决饥饿问题,必须与公平获取和教育相结合。
Technology alone won't solve hunger; it must be paired with equitable access and education.
When buying a garden hose, an extension cord, or a ladder, get one substantially longer than you think you need. It’ll be the right size.
The only thing that comes to a sleeping man is dreams.
译文:过错虽然千端万绪,但归纳起来都是一心造作。如果我的内心不妄动,过错又如何产生呢?
布莱克-斯科尔斯模型的美妙之处在于它将期权定价问题简化为几个可观察的变量。