文档介绍：理由简单分类：
方便 convenience
情感 feeling(or sensibility)
经验 experience
成就 achievement
效率 efficiency
健康 health
节俭 thrift(or save money)
安全 safety
性格培养 character cultivation
10乐趣fun
耐久 endurance
环保 environment protection
健康和安全
Health, healthy, fit, well, strong, energetic, vigorous
营养 nutrition, nutritious
放松心情 relax myself 缓解压力 relieve/release pressure> refresh
身体素质 physical quality、 physical condition、 health condition
食品安全food safety
生活****惯habit
身体伤害 hurt/physical hurt/injury/wound
体育锻炼 exercise/physical exercise/sports/sporting activity
早操 morning exercise(do morning exercise)
眼保健操eye exercise
游泳 swimming
球类ball games (住在校外就不能踢足球，没场地、没人)
安全 safety/security
生命life
财产 property/wealth/belongings
便利
Convenient/have easy access to/facilities
节省(浪费)时间 time saving/money saving/power saving 花费时间 time consuming
时间灵活 flexibility flexible
交通 transportation> traffic
交通设施 overpass, zebra lines, traffic light, metro（城铁），subway
交通状况 traffic jam/rush hour
交通意识
提供公交的时间public transportation
休闲 recreation
健身 fitness activity
娱乐 entertainment/amusement 春节晚会 Spring Festival Entertainment Party
购物 online shopping/shopping mall/exclusive store
教育 self-taught education/training/schooling
医疗 medical service/medical treatment/medical care
医疗人员medical stuff
医疗设施 medical facility
医疗机构 medical agency
经济
Economy （经济）/economical节省的）/economic/economics（经济学（不可数）、经济数据