- 問題詳情:__36__.Peopleusemoneytobuyfood,furniture,books,bicyclesandhundredsofotherthingstheyneedorwant.Whentheywork,theyusuallygetpaidinmoney. Mostofthemoneytodayismadeofmentalorpaper._37_.Oneofthefirstkindsofmoneywasshells. Shellswerenottheonlythin...
- 27262