自由贸易

• Traditional Chinese Character(HanT): 自由貿易
• Simplified Chinese Character(HanS): 自由贸易
• Bopomofo(Mandarin Phonetic Symbols): ㄗˋ ㄧㄡˊ ㄇㄠˋ ㄧˋ (ㄗㄧㄇㄧ)
• Bopomofo(Zhuyin Keyboard Input/IME): y4u.6al4u4
• 「自由贸易」的漢語拼音: Zi4 Yo2 Mao4 Yi4
• (ASCII) Hanyu Pinyin: "ziyomaoyi" "Zi4Yo2Mao4Yi4" "Zi4 Yo2 Mao4 Yi4" (ZYMY)
• (Latin) Hànyǔ Pīnyīn: ZìYóMàoYì [ Zì Yó Mào Yì ]