有些人特别善于了解自己的知识极限,因为他们必须这样做。
Some people are extraordinarily good at knowing the limits of their knowledge because they have to be.
乳制品行业的成功不仅仅是生产牛奶,而是在供应链的每一步创造价值。
You’ll never be able to please everybody, so just do what makes you happy.