On Coopration-谈合作 Familis spcializ in thir tasks by dividing th work among th diffrnt mmbrs according to what thy ar bst qualifid to do. For xampl, mothrs cook, childrn wash dishs and mak bds, fathrs mow th grass and paint th hous. By doing th sam thing again and again, and by clos coopration, a family is abl to work fastr and gt mor work don than if just on do many kinds of tasks. Similarly, it is 'coopration' that mak our complicatd modrn socity work. On Coopration-谈合作
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