２１ＣＩＴＹ

• Traditional Chinese Character(HanT): ２１ＣＩＴＹ
• Simplified Chinese Character(HanS): ２１ＣＩＴＹ
• Bopomofo(Mandarin Phonetic Symbols): ㄦˋ ㄧ ㄒㄧ ㄞ ㄊㄧ ㄨㄞ (ㄦㄧㄒㄞㄊㄨ)
• Bopomofo(Zhuyin Keyboard Input/IME): "-4u vu 9 wu j9 " (-4uvu9wuj9)
• 「２１ＣＩＴＹ」的漢語拼音: Er4 Yi1 Xi1 Ai1 Ti1 Wai1
• (ASCII) Hanyu Pinyin: "eryixiaitiwai" "Er4Yi1Xi1Ai1Ti1Wai1" "Er4 Yi1 Xi1 Ai1 Ti1 Wai1" (EYXATW)
• (Latin) Hànyǔ Pīnyīn: èrYīXīTīWāi [ èr Yī Xī Tī Wāi ]
• (英文翻譯) English Translation: "２１ＣＩＴＹ"
• (西語翻譯) Traducción Español: "２１ＣＩＴＹ"
• (日文翻譯) 日本語翻訳: "２１都市"