the first alternative is to continue on the current course with
第一种选择是继续目前的课程
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The first alternative is to continue on the current course, with each manufacturer competing freely with their own "top to bottom" proprietary systems for selling, playing and protecting music.
第一个方案是继续当前的局面，和每一个厂商自由竞争，每一个厂商都有“从头到脚”自成体系的销售、播放和保护音乐的系统。
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