LiquidPaper(修正液)wasinventedbyBetteNesmithGraham.Shewas1...
问题详情：LiquidPaper(修正液)wasinventedbyBetteNesmithGraham.Shewas17whenshegotajobataTexasbankasasecretary,eventhoughshedidn’tknowhowtotype.Thecompanysheworkedforsenthertoasecretaryschool,andshewastyp...