1．Although, nationwide, these cities are not as large as those in China, they have world－famous football teams and some of them even have two! 虽然，全国性的，这些城市不如中国的城市大，但是它们拥有世界著名的足球队，有的城市甚至有两支！
those 在此为代词，用于表示比较的句型中，代指前面提到的复数名词 cities。
辨析：one/the one/ones/the ones/that/those/it
