你最不满意的顾客是你最大的学习来源。
Your most unhappy customers are your greatest source of learning.
I was born in Africa.I came to California because it’s really where new technologies can be brought to fruition， and I don’t see a viable competitor.
色散理论是连接量子力学的抽象形式与我们观察到的具体现象之间的桥梁。
一念的疏忽是错误的开始，一念不能善始善终，便是错误到底。