Nevertheless,interactive broadcast television may be an interim phenomnon,Future high-deinition sysytems and the teleputer linked to a fiber-optic distribution channel will likely superses it.
然而,交互式广播电视也许是时期现象。未来高清晰度系统和计算机加上光导纤维连接可能超过它。
Distribution channel is the important part of marketing, which has the nature of slow-establish process, long-term efficiency and unsureness of control.