标题: 比较关系中that的用法疑问 [打印本页] 作者: CRX1230 时间: 2014-9-4 10:33 标题: 比较关系中that的用法疑问 The carbon emissions kilogram weight from cars is higher in summer than that of winter.
出于简洁形式考虑， 改成了The weight of the carbon emissions from cars is higher in summer than in winter.
可是结尾这里than 为什么后边不用加that？ 也就是than that in winter. that指代第一个句子