OK - 维基百科，自由的百科全书由來 「O.K.」最初來自美國的一位記者，1839年3月23日《波士頓晨郵報》的文字游戏栏目中，一位記者在文章付印前寫上了「OK ...https://zh.wikipedia.org/wiki/OK
OK - WikipediaNumerous explanations for the origin of the expression have been suggested, but few have been discussed seriously by linguists. The following proposals have found ...https://en.wikipedia.org/wiki/OK
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OK | Define OK at Dictionary.comFew Americanisms have been more successful than ok, which survived the political campaign of 1840 that fostered it, quickly lost its political significance, and went ...www.dictionary.com/browse/ok
OK! - WikipediaOK! is a British weekly magazine specialising mainly in reality TV news. Originally launched as a monthly, its first issue was published in April 1993. The editor ...https://en.wikipedia.org/wiki/OK!
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