In praising movies for classroom use, he has an ax to grind, he sells motion picture equipment.
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, 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。