解释：齐国是强国，利用它的强大进攻宋国，让他逞强，燕国就可以乘机打败齐国；齐国是大国，利用它的大国野心吞并宋国，增加土地，燕国就可以乘机进攻。
我从不认为任何事情是理所当然的。
遗传学是活人的考古学。
Art is the highest form of hope.
It is a truth universally acknowledged, that a single man in possession of a good fortune, must be in want of a wife.
Earth provides enough to satisfy every man's needs， but not every man's greed.
我对与任何人竞争不感兴趣。我希望我们都能成功。