Portals primarily generate revenue in all of the following ways except:
A、chargingadvertisersforadplacement
B、collectingtransactionfees
C、salesofgoods
D、chargingsubscriptionfees
发布时间:2026-01-13 13:19:49
A、chargingadvertisersforadplacement
B、collectingtransactionfees
C、salesofgoods
D、chargingsubscriptionfees