我们试图购买不受欢迎的股票。
波函数不是描述单个系统,而是描述系统的集合。
"The truth is rarely pure and never simple."
二十年的爱情让女人犹如一片断痕残壁,但二十年的婚姻则让她好似一栋公共建筑。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.