今天的计算机病毒比以前蔓延的更广也更危险。
Viruses today are much more widespread and dangerous than ever before.
复杂性以及高昂的安装和维护费用是今天的计算机系统中存在的一个事实。
Complexity and high installation and maintenance costs are a reality of today's computer systems.
然而，它出现那个多媒体最后有开始在今天的计算机世界中扮演一逐渐地重要的角色。
However, it appears that multimedia has finally started to play an increasingly important role in today's computer world.
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