2)就业：
女人就业：
This also helps to create jobs in the childcare sector, generating employment for more people.
核能：
The nuclear industry is a major employer.
父母共同照顾孩子：
The economic and employment situation in many countries means that jobs are getting more, not less, stressful, requiring long hours and perhaps long journeys to work as well. Therefore it may remain for many a desirable ideal rather than an achievable reality.
旅游：
Tourism increases employment opportunities. Additional jobs, ranging from low-wage, entry level to high-paying professional positions in management and technical fields, generate income and raise standards of living. As tourism increases in importance, tourism-related employment needs will also increase.
Many hotels are part of large international chains, choosing to exploit local labour purely because it is cheap.
禁烟：
The tobacco industry also employs tens of thousands of people throughout the world.

3)时间：
电视：
Nowadays many people spend the biggest part of their free time watching television.
兼职工作：
After-school jobs are bad for teenagers because they take time away from studying.
运动：
Sport is a waste of school time and resources.

2.生理原则：
体育课：
Encouraging physical activity in the young through compulsory PE fights child obesity and contributes to forming lifelong habits of exercise.
体罚：
The actual physical damage inflicted via corporal punishment on children can be horrifying.
Some parents lose control and can injure children - even breaking bones or causing bruises.
禁烟：
There is little doubt that smoking tobacco is extremely harmful to the smoker's health.
配枪：
Routinely arming police officers allows them to defend themselves.

3.心理原则
电视：
Depression is a well-known psychological problem of modern society. The popularity of TV watching is among the reasons of this phenomenon. Violence, aggression, crimes and wars are broadcast through the daily news as well as in movies, showing dark pictures that encourage psychological tension, pessimism and negative emotions.
While TV and movies shouldn’t be a way to hide from life, sometimes it can help us to cope.
压力：
Some students have mental breakdowns and, in extreme cases, attempt suicide because they cannot handle the pressure.
体罚：
They learn that force is an acceptable factor in human interaction; they feel humiliated and lose self-respect.
A physical punishment is likely to provoke resentment and further misbehavior.
课外活动：
Without the opportunity to do this, they could grow up immature and unformed.
Iit is also important to remember that children need to relax as well as work. If everything they do must have educational or academic relevance, then they will soon get tired of studying altogether, which is the last thing parents would want.
抽烟：
First, smoking undoubtedly helps many people to relax.