The price of a cup of coffee is lighter than ___of a glass of coke.如何使用这个答案that 呢
问题描述：
The price of a cup of coffee is lighter than ___of a glass of coke.如何使用这个答案that 呢
答
that作指示代词，指代前文提到过的同类事物
这里的that就等于the price
答
对啊……
答
that.
一楼解释得蛮好的.
同理：The milk here is cheaper than that of the other supermaket.
The population of China is lager than that of the United States.
that 所代替的都是前面的拿来做比较的名词,避免重复使用.