This method can improve the traditional collaborative filtering methods, and can solve the single-interest model problem of traditional methods.
这种方法是对传统的协同过滤方法的改进，可以解决传统方法兴趣模型单一问题。
2
According to the theory of optimal currency areas, a central fiscal policy is necessary because a singleinterest rate will not suit conditions in all parts of a currency zone.
根据最优货币区域理论，确立一个中央财政政策很有必要，因为单一利率并不适于货币区域内所有地区的情况。
3
There is nothing the European Commission can do about the side-effects of a fixed exchange rate and a singleinterest rate for the euro area—they are inherent to a single currency.