- 问题详情:Itisasadfactoflifethatonlyoneortwopercentofinventeditemsmakemoneyfortheirauthorofthisbookbelievesthiscouldbeincreasedtotenpercentifinventorswereprovidedwithandusedtheinformationavailablenow.Mostinventorsdonothavethequalitiesneededforcreatings...
- 20011