《走遍美国》的每一个episode都包含美国生活中的一些细节，你有没有注意到呢？现在就让我们来了解和学习这些内容吧。 购买走遍美国新世纪版In the United States, dog owners must register their pets with an animal control agency operated by the city or county government. The owner pays an annual fee for this registration, The dog must wear a collar that usually
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