Compared to the traditional host virus, the network virus has more attack ability and is more infectious in open network environment.

对比于传统的主机病毒，在开放式网络环境中，网络病毒攻击能力更强、传播范围更广、破坏力度更大。

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It will be another six years before the line is open, but today's breakthrough is, the Swiss say, a crucial step to improving Europe's transport network and protecting the alpine environment.

这条铁路开通还需要六年的时间，但是，瑞士表示，今天的突破是完善欧洲运输网络关键的一步，可以保护阿尔卑斯山的环境。

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As network is open, technical and digital, the protection on network privacy is much complicated comparing with the protection on privacy under traditional real environment.

网络的开放性、技术性和数字性等特征使得在网络环境下的对隐私权的保护较之于现实环境更加复杂。

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