[天壤之别 / 天壤之別, tiān rǎng zhī biéㄊㄧㄢ ㄖㄤˇ ㄓ ㄅㄧㄝˊ] lit. night and day difference (成语 saw); as different as sky and earth; opposite extremes; a world of difference (between them); a far cry from#30597
[特别行政区 / 特別行政區, tè bié xíng zhèng qūㄊㄜˋ ㄅㄧㄝˊ ㄒㄧㄥˊ ㄓㄥˋ ㄑㄩ] Special Administrative Region, namely Hong Kong 香港 and Macau 澳門|澳门; refers to many different areas during late Qing, foreign occupation, warlord period and Nationalist government; refers to special zones in North Korea and Indonesia, See Also: 香港, 澳門, 澳门#49138