但是，由于许多原因，这常常是不可行的，比如工作负载限制、安全性和隐私规则，或者大部分数据是未知的。

However, there are many reasons which may make this impossible such as workload limitations, security and privacy rules, or if the data is largely unknown.

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我们也应预期供应商将会互相牵制，试图证明谁拥有更强壮的安全性和隐私策略，因为他们知道这些因素是游戏规则的破坏者。

We can also expect that vendors will trip over each other trying to prove which one has the stronger security and privacy policies, because they know those factors are game-breakers.

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这个策略的范围包括了隐私策略和规则，安全性策略和规则、交易和实施规则。

The scope of the policy covers privacy policies and rules, security policies and rules, transactional and enforcement rules.

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