To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility. have to know a great deal more than now about the social and economic have to know a great deal more than they do now about the social and economical would have to know a great deal more than they do now about the social and economical would have to know a great deal more than they do now about the social and economic would have to know a great deal more than now about the social and economic 最后两个怎么区别？？ -- by 会员 sierrapan (2009/11/16 13:33:55)
新东方是这样解答的：A和E的比较结构后半部分不完整，B和C把economic改为了economical，这里应该是经济的而不是节约的。
引自新东方http://shanghai.neworiental.org/publish/portal25/tab10667/info331363.htm
我的问题：就是仅仅是（1）比较成分不完整和（2）词义篡改两个地方？跟用不用would没有关系么？哪位NN可以double confirm一下啊？~ | 
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发表于 2009-11-16 13:33:55
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