代词that, one, the one, it的用法区别 它们三词均作代词用，指代前文提到的名词。但是it所指是同名同物，one和that所指是同名异物 that是特指，代替前面提到的不可数名词或单数可数名词。代指前面提及的同类而非同一物，其复数用those，后面一般有后置定语。The weather in Kunming is better than that in Wuhan.The population of China is larger than that of any other country in the world. one是泛指，指代前面提到的同类人或物（可数名词）中的一个，其复数用ones，前面一般有定语。I bought five pencils for my children, two red ones and three green ones. the one 是特指，指代前面提到的同类人或物（可数名词）中的一个，其复数用the ones。This picture is the one that I drew yeste
