你最不满意的客户是你最大的学习来源。
"Your most unhappy customers are your greatest source of learning."
Simplicity is prerequisite for reliability.
大众不是一个参照物，而是一个对象。
The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have been replaced by a general consensus on the desirability of liberal democracy.
乳制品行业必须适应消费者偏好的变化。