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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。
The weight of a secret is heavier than stone.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
Only art is capable of dismantling the repressive effects of a senile social system.