n.期待；预期
Tense with expectancy, I waited for my name to be called. 我紧张而满怀期望地等着我的名字被叫到。
Women have a higher life expectancy than men. 女人比男人的预期寿命长。
A number of social factors influence life expectancy. 诸多社会因素左右着人的预期寿命。
