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表优点的几个方面： Equip sb. with sth. Cost-efective Give sb. a sense of independence. Benefit the society as a whole. Broaden their horizons. Have a broder view of life The price is worth paying. Not necessarily all bad Work for the public good 表缺点的几个方面： Time-consuming Make no economic sense Economically worthless Out of date A waste of time | 
