- 問題詳情:LiquidPaper(修正液)wasinventedbyBetteNesmithGraham.Shewas17whenshegotajobataTexasbankasasecretary,eventhoughshedidn’tknowhowtotype.Thecompanysheworkedforsenthertoasecretaryschool,andshewastypinginnotimeatall.The1950shadseenthewidespreaduseof...
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