竞争常意味着等待人们做出选择。比如VCR-卡带式录像机的例子...Two major Hollywood studios, Paramount Pictures and Universal Pictures, have agreed to release movie only in HD DVD. The Toshiba company...

竞争常意味着等待人们做出选择。比如VCR-卡带式录像机的例子...Competition often means waiting for people to make a choice. That was the case with VCRs, video cassette recorders. During the nineteen ...