In Britain, "pig" refers to any member of the class of domestic swine, but the United States uses the term when referring only to younger swine not yet ready for market and weighing less than 82 kilograms (180 pounds).
the United States uses the term when referring
the United States term refers
in the United States the term refers
in the United States they use the term as it refers
it is used in the United States when referring
关键是划分清楚到底在和谁并列——主体部分要比较的是在两个国家的情景
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