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這一標準鍵盤倖存的重大挑戰早在打字歷史表明，它至少是其中相當合適，即使不是適者生存這是可想而知的。
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Famous Fables of Economics, Chapter 4: Fable of the Keys (著名寓言經濟，第4章：寓言的鑰匙)
(book)
by Stan J. Liebowitz and Stephen E. Margolis
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| Language: | Chinese_traditional |
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