上午写作+写作课
human 算是专有名词，一般不用
human being(s) 人类
being(s) 人类
person （偏口语化，单数）→ person(s) people 集合名词
individual(s) 个体 = crowd(s)
employer 雇主 = supervisor = manager = in charge | employee 雇员
citizen | resident
staff 职员 = governor
president
worker
labor 劳动力
colleague / co-worker
teammate / workmate
group member
