The ending of a mystery novel is often unexpected, yet it makes perfect sense.
推理小说的结局往往出人意料,却又在情理之中。
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 only person you are destined to become is the person you decide to be.
I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.