On the supply side, individuals are assumed to operate on the principle of utility maximization.从供给方面来看, 假定个人行为是遵循效用最大化原则.Does the enterprise to be able to pursue the profit maximization.搞企业的都会追求利润最大化.The enhancement ent...
而且我们在他背包里发现了一把折叠刀.Andwe found a folding knife in his back pocket.那里还卖瑞士军用折叠刀,二十美元.They had a Swiss Army knife for $ 20.我花十美元买了一把非常好的折叠刀.I got a really good pocketknife for $ 10....