This Dec 20, we will celebrate the 20th anniversary (周年) of Macao’s return to China. Macao was once under the rule (统治) of Portugal (葡萄牙). In 1999, it returned to China. Over the last 20 years, Macao has made great achievements (成就) under the “one country, two systems (一国两制)” policy. What are they? Let’s take a look!