average
average(平均,统计意义的代表性:the average household = 平均家庭)
typical
typical(典型,代表整体特征:a typical example = 典型例子;含「最能代表该类别」义)
The average adult in the UK drinks approximately three cups of tea per day, according to industry data.
行业数据显示,英国普通成年人每天喝大约三杯茶。
This case study is a typical example of how poor communication within a company can lead to project failure.
这个案例研究是公司内部沟通不畅如何导致项目失败的典型例子。