One of the main theoretical home-security concerns is whether or not a given system is vulnerable to being blocked from working altogether.

理论上，主要的家庭安全问题之一，是特定系统是否易受到阻碍，完全无法运作。

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But most of the time strongmen are not vulnerable, and then the judgment becomes more complicated.

但是大部分时候强者并不是脆弱的，是非对错就变得非常复杂。

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Starting new houses from the ground up in places which are not vulnerable to disaster, is going to take a little longer.

在不易受灾的地区重新修建新的住房需要多花一点时间”。

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It's also interesting that given the same level of nutritional problems -too much fat, too little fiber, too many calories, whatever it happens to be -not everybody is affected the same way, and some population groups are especially vulnerable, so we'll talk more about that later as well.

另一点值得关注的是,相同的不良营养水平下,太多脂肪,太少纤维,太高热量,无论是哪一种情况,人们受影响的程度不尽相同,有一些人群特别容易受到伤害,我们待会也会讲到这点

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In Rotherham, data and IT systems were found not to be up-to-date so information on vulnerable children may not have been passed on as quickly as it should be.

BBC: Failings found in child services

"As a society we recognise that non-smokers need to be protected from carcinogens when at work but we are not doing enough to protect the most vulnerable non-smokers of all - children, " he said.

BBC: NEWS | Health | Cancer alert for smoking parents

But not all grocers are equally vulnerable to low-end competition.

FORBES: Safeway Shares Should Get More Respect