冰和炭不能长久放在同一个容器里,寒天和暑天不会同时到来
关于可持续海鲜选择的教育使消费者能够推动积极的变革。
We are entering an era where the biological sciences will dominate the intellectual landscape.
Les chères mains qui furent miennes.
关于技术最重要的事情是它如何改变我们的生活方式。
You know, in the Middle Ages, in England, when you met a very poor person, that person would be described as an "unfortunate" -- literally, somebody who had not been blessed by fortune, an unfortunate.