我真的不考虑年龄。我认为人的年龄取决于他们的感受和行为。
I don't really think about age. I think people are as old as they feel and act.
I'm the reason your ears won't hear.
零缺陷是一种管理标准,旨在通过专注于预防错误来预防缺陷。
The only way to learn mathematics is to do mathematics.