- 問題詳情:Today,paper-makingisabigbusiness.Butitisstillpossibletomakepaperbyhand,sincethestepsarethesameasusingbigmachines.Youshouldusepaperwithsmallamountsofprinting.Oldenvelopesaregoodforthisreason.Coloredpaperalsocanbeused,aswellassmallamountsofnews...
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