It is possible that through authentication, a user can log in to a system but, through authorization, not be allowed to do anything.

所以，有这样的可能性：用户虽然通过了身份验证可以登录到一个系统，但是未经过授权，不准做任何事情。

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Bank rescues must distinguish between Banks that are troubled but can be saved and those that should be allowed to die.

银行营救计划必须将有麻烦但可以救助的银行与那些应允许倒闭的银行区分开来。

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But firms, especially small ones, should be allowed to opt out of such arrangements so that they can better match Labour costs to productivity.

但是应该允许公司、特别是小型的，不受这种规定的约束，以便他们能更好地来让人工成本和生产力相匹配。

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For example, it limits the number of fliers allowed and the number of cars that can be involved in the campaign effort.

VOA: standard.2009.07.27

"How is it that a company can be allowed in this day and age to put people in this kind of a position.

VOA: standard.2010.04.27

Can we save ourselves from those problems?" Mr.Karzai also requested from his two counterparts that outside parties be allowed to participate in future tri-partite summits.

VOA: standard.2009.05.24

"That way our numbers can be allowed to stabilise and reduce gradually to a lower, environmentally sustainable level, " the organisation says.

BBC: England and Wales population up

But no, the obesity panic has gone so far that no school child can ever be allowed a second plate of anything for any reason: not even a missed breakfast.

FORBES: Martha Payne and the Value of Social Media: When We Become Aware That Others Share Our Opinions And The Streisand Effect

In the first article, I allowed that it can be exciting for business leaders to imagine a global prospect base of more than seven billion people.

FORBES: Connecting With Global Prospects And Getting Paid