思想道德和法律是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。()
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大多数人对心理健康问题几乎一无所知(mental health)。
At the end of 19th century, more than half the patients in hospital died---usually from illness they did not have when they went in.
In fact, Bill Gates is one of a number of U.S.business people to be left-handed.
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