Warning: file_put_contents(/www/wwwroot/ppbbu/qk12333.com/cache/f9015f6fd622e90bf2f2b42891721fe7.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/qk12333.com/index.php on line 55 monopoly profit margin例句_monopoly profit margin英汉例句_monopoly profit margin双解例句_奇客生活牛津词典
But thanks to a virtual monopoly on communications, it generates a pretax profit margin of 47%, almost double that of U.S. phone giant SBC Communications. FORBES: Do As I Say