对于那些没有研究过数学的人来说,有些事情似乎是难以置信的。
Small changes can have big effects when they help people break out of the poverty trap.
We loved with a love that was more than love.
对待别人的标准,不是他们有多坏,而是你自己有多好。
That's the only trouble with being a dog…they never tell you anything.