Hong Kong and Macau were only colonized, but they were not colonies. Colonies are countries that were colonized and allowed to establish independent countries. Hong Kong and Macau belong to China and have no right to establish independent countries, so they cannot be regarded as colonies.

Similar to Hong Kong and Macau, there used to be Taiwan, Weihai, Lushun, and Qingdao. So Mr. Wen Yiduo wrote the Song of Seven Sons. Now, five of the seven places written in the Song of Seven Sons have been returned to China. Taiwan is still in a state of substantial independence, and Vladivostok has not yet been recovered. Because this was originally China's territory. When China becomes stronger, it must safeguard the reunification of the motherland and adhere to the policy of having only one China