幸福不是一种权利;它是一种罕见而珍贵的例外。
"The present is a fragile bridge between the past and the future."
The only thing you can do is give all you have on that particular day.
Development economics is ultimately about improving people's lives.
花朵总能让人们变得更好、更快乐、更乐于助人;它们是心灵的阳光、食物和良药。