I love competing. I love playing. I love trying to beat the best players in the world.
The study of quantum gravity is essential for understanding the early universe.
每一个行动都应当遵循道德和正义。
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。