Securing cyberspace is hard because the architecture of the internet was designed to promote connectivity, not security.

确保网络空间的安全是困难的，因为互联网的架构旨在促进互联性，而不是安全。

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For instance, sender and receiver don't need to be overly concerned as to whether or not security is being used and how it is being implemented.

例如，发送方和接收方不需要过于关心是否使用了安全性且如何实现安全性。

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My mother never worked, so she's not eligible for Social Security.

我母亲从未工作过，因此她不符合社会保险资格。

《柯林斯英汉双解大词典》

Defense officials say they are aiming for a balance that will not compromise the security of operations or military networks.

VOA: special.2009.09.14

But in many regards, it is a matter of space, a matter of supplies, a matter of security where issues come out which don't really matter whether you believe in religion or not.

但是就各种方面来说，是关乎空间，关乎资源供应，关乎安全,这些问题并不一定和你,是否有宗教信仰有关。

普林斯顿公开课 - 人性课程节选

You could not sell a security without giving a prospectus to the potential buyers and the prospectus would be something approved by the SEC.

没有招股说明书就不可以,出售证券给潜在买家,而且招股书需要通过证交会审核

耶鲁公开课 - 金融市场课程节选

According to reports, the boxes were not security-checked ahead of the scheduled procession.

BBC: Karachi bomb was 'caused by IED'

Convenience and novelty are the name of the game here, not security.

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While this sort of threat is clearly out there, it turns out that more often than not security threats happen during software testing and development.

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