While people depend on computer networks more and more, net work security becomes a serious problem.

人们的生活、工作、学习与计算机网络的关系越来越紧密，网络安全也随之成为一个重要问题。

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With the rapid growth of computer application and increasing complexities, the Internet worms are seriously threat the net- work security.

随着计算机网络应用日益普及和复杂性的不断增加，网络蠕虫严重威胁着网络安全。

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There is no social security safety net to protect people thrown out of work, which contributes to the passion for investment by Hong Kong residents.

BBC: What a difference a year makes