n.可能性；【数】或然率；机率；【统计】概率，概率论
The probability that it will rain today is high. 今天下雨的可能性很大。
The probability of making a mistake increases when you are tired. 你累的时候犯错误的可能性就会增加。
Sometimes, love is a kind of probability. 有时，爱情就是一种或然率。
I don't know how to calculate probability accurately. 不知道怎样才可以准确的计算出或然率。
A reliable data base is essential to estimate probability and severity. 可靠之资料储存库对估计机率和幅度是相当重要的。
n.无必然性的事物；未必有之事
