the cost of dry-cleaning is three times that of ordinary washing 这句话有没有语法错误?
问题描述：
the cost of dry-cleaning is three times that of ordinary washing 这句话有没有语法错误?
答
the cost of dry-cleaning is three times 【as much as】that of ordinary washing嗯 谢谢 我再等等看看有没有其他的答案 原句是英语报上的答案。。但我觉得不太对劲。。所以就问问。。