"Health and hospitals are basic areas of well being, lets say,that when a major disaster or a smaller disaster occurs, if you do not have health facilities that function and can respond to the needs you create yet another level of disaster,".

VOA: standard.2009.10.14

And then I'll create this function, d1 this distribution d 1, which will, whenever I call it, give me a random, a uniformly selected value between minus and plus volatility.

然后我会创建这个函数，这个概率分布，每次我调用这个函数的时候，他会给我返回一个随机的，按照均匀分布,从正负浮动值之间选择的值。

麻省理工公开课 - 计算机科学及编程导论课程节选