The most pleasing of all sounds, that of your own praise.
"It's not about what you say, it's about what you do."
自然实验可以为经济问题提供有价值的见解。
一个公司的真正价值是由它如何对待最低工资员工来衡量的。
To understand a culture, one must first understand its stories.
质量不是一时的风尚；它是一种哲学。