Only he who desires is amiable and not he who is satiated.
有钱的单身汉总要娶位太太，这是一条举世公认的真理。
宝贝，这些我都经历过来了，我是个勇敢的母亲。
Collaboration is the key to solving the world's most pressing problems.
高利润并不必然需要艰苦的工作、低工资和恶劣的条件。