In praising movies for classroom use, he has an ax to grind, he sells motion picture equipment.
他不住口地夸奖教学影片的用途有他个人的目的，他是一位电影设备经销商。
In praising movies for classroom use, she has an axe to grind; she sells motion picture equipment.
她大讲特讲课堂教学放映电影的好处是别有用心的，因为她做放映设备生意。
Motion Picture Patents Company pools patents on motion picture equipment and attempts to freeze out competitors.
1909年，电影专利公司共同使用电影设备的专利，试图挤兑竞争者。
Motion Picture Patents Company pools patents on motion picture equipment and attempts to freeze out competitors.
1909年，电影专利公司共同使用电影设备的专利，试图挤兑竞争者。
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