一个服务有一个提供者，一个或多个消费者，并产生对消费者有价值的效果。
A service has a provider, can have one or more consumers, and produces effects that are of value to its consumers.
尽管碳排放许可对消费者的负担和税收差不多，但还是有很多政客都认为税收会比“限制排放与交易许可”机制更伤害消费者。
Too many politicians pretend that carbon taxes will hurtconsumers more than a cap-and-trade scheme, even though the cost of carbonpermits will be passed on to consumers just as quickly as a tax.
我不相信这里会有任何实际的好处。而这次奶业丑闻正揭示了乳业公司有多么依赖于对消费者进行营销，而不是对消费者进行教导。
I'm not convinced there are any real benefits, and this scandal lays bare just how much dairy companies rely on marketing to us rather than teaching.
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