This document discusses the difference between the Chinese characters 二 and 两. 二 is used for counting numbers from one to two digits, while 两 is used to measure quantities of two items, and must be used with a measure word. Some examples are provided of using 两 with different measure words to indicate quantities of two people from different countries or relationships.

1. 两
Liǎng two

2. 二 and 两
二：used for counting (1,2,3,...), and in a 2-digit
number (12, 22, 25, 72, ...)
两：used for measuring (two something) –
两个中国人，两个学生 (go with a Measure Word)

3. 两 Liǎng two
两个哥哥 two older brothers
两个姐姐 two older sisters
两个妹妹 two younger sisters
两个弟弟 two younger brothers
两个美国人 two American people
两个中国人 two Chinese people
两个韩国人 two South Korean people
两个日本人 two Japanese people