Simonerecently a survey compare the price
的有关信息介绍如下：
Recently a survey _comparing_(compare)prices of the same goods in two supermarkets has caused heated debate among citizens.这句话是在说 一个比较两家超市里面两个同样的用品的价格的调查导致了市民们的争论goods 是名词 用品的意思 = = 这句话不用to do 的原因是 已经比较过了所以失去了将来的含义 to do除了表目的外必须要表将来
Recently a survey _comparing_(compare)prices of the same goods in two supermarkets has caused heated debate among citizens.不是用来表目的的
