Original sentence: "The Chinese Massive Landmass" or "Continental China"), is an informal geographical term which is usually synonymous with the area currently administered by the People's Republic of China (PRC).It always excludes the area controlled by the Republic of China (ROC), namely Taiwan, Penghu, Quemoy, and Matsu islands.It usually excludes the two Special Administrative Regions administered by the People's Republic of China: Hong Kong and Macau, which are governed under "One Country, Two Systems" and have a high degree of autonomy.Mainland China, Hong Kong and Macau have different customs and immigration control, passports, currencies, stamps, judiciary systems (courts of final appeal), public finance, extradition, etc
Edited sentence: "The Chinese Massive Landmass" or "Continental China"), is an informal geographical term which is usually synonymous with the area currently administered by the People's Republic of China (PRC) which excludes the independent country controlled by the Republic of China (ROC), namely Taiwan, Penghu, Quemoy, and Matsu islands.It also usually excludes the two Special Administrative Regions administered by the People's Republic of China: Hong Kong and Macau, which are governed under "One Country, Two Systems" and have a high degree of autonomy.Mainland China, Taiwan, Hong Kong and Macau have different customs and immigration control, passports, currencies, stamps, judiciary systems (courts of final appeal), public finance, extradition, etc.Therefore "Mainland China" is used to refer to the territories under People's Republic of China control, excluding the country of Taiwan and the two special administrative regions