而软件集团和娱乐公司要阻止音乐和电影被人用数字方式解码、从而在互联网以及CD和DVD上复制，更是难上加难。
It is even harder for software groups and entertainment companies to stop music and films being digitally cracked and reproduced over the Internet and on CDs and DVDs.
而软件集团和娱乐公司要阻止音乐和电影被人用数字方式解码、从而在互联网以及CD和DVD上复制，更是难上加难。
It is even harder for software groups and entertainment companies to stop music and films being digitally cracked and reproduced over the Internet and on CDs and DVDs.
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