the sum of the values of a random variable divided by the number of values
例句
用作名词 (n.)
I will be honest, when I saw that the first style someone submitted to The Style Contest was a port of the Kubrick style, I rolled my eyes. 请来的嘉宾是从事职业中介的,他的建议是,在工作和谋生之间,可能毕业生需要首先考虑的是谋生,当自己的第一选择不能够实现的时候,应该现实一些,调低自己的期望值。
One of the cures for this disease is the ability to adapt your expectations and reinvent yourself if the door has slammed shut on your first profession. 治疗这种疾病的方法之一是,如果第一份职业的大门关闭,你要有能力调整期望值,重新定位自己。