I have been a selfish being all my life, in practice, though not in principle.
我一生都是一个自私的人,虽然原则上并非如此,但行动上却是。
一瓶葡萄酒包含的哲理比世界上所有的书都多。
Precision agriculture is not a luxury; it's a necessity for feeding the world sustainably.
The world is full of people who have never, since childhood, met an open doorway with an open mind.
我们是我们的选择。