Public services公共服务
Governments pay the salaries of public sector workers like police officers and teachers
The necessary money is raised by taxing people's income
Free education and healthcare may be provided by the state
Some governments control public transport systems and even TV channels
In other countries, these services are provided by private companies
Some people believe that competition between private companies is good
It helps to improve quality while bringing prices down
Other people think that essential services should be free
Governments should pay for them
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