每一次表演都是触动某人内心的新机会。
Every performance is a new opportunity to touch someone’s heart.
布莱克-斯科尔斯模型的美妙之处在于它将期权定价问题简化为几个可观察的变量。
"The best stories are the ones that make you think, that stay with you long after you've finished reading them."