In other words, once the rules have been created, we need to specify when they should be used.

换句话来说，一旦规则被创建，我们需要指定什么时候去使用它们。

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He should not have to: rules that prevent insurance companies charging fat people what they really cost should go.

他本不必都样做：那些阻止保险公司向胖人收取他们真正花掉的钱的规定应该取消。

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The engineers have decided that if they use a rules engine to express the conditions for determining which tests should be performed, they can save much time and effort.

工程师决定，如果它们使用规则引擎来表达确定哪些测试应该执行的规则，则可以节省更多时间和精力。

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UN's rules, they should not have counted on them as justification for their action.

ECONOMIST: Letters | The

Now, you might assume that because entrepreneurs have a penchant for breaking rules and thinking about the world in unconventional ways they should have little trouble fudging some of the more superficial aspects of their characters.

FORBES: Magazine Article

The Amish argued that they're bound by rules guided by their religion and the government should never have gotten involved in what amounted to a family or church dispute.

NPR: Ohio Amish In Beard-Cutting Case Fight For Release