名词
中文翻译：牛的等价物
同义词：
['cattle equivalent', 'cow value', 'cow equivalent value']
例句：
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1. The farmer uses cattle equivalent to calculate the cost of his crops.
这位农民用牛的等价物来计算他的农作物的成本。
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2.The market price of cattle is determined by their weight and quality, which are equivalent to their value in terms of money.
市场对牛的价格是根据它们的体重和质量来确定的，这些与它们在金钱上的等价是相等的。
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3.The farmer has decided to sell his cattle equivalent at a fair price to ensure that he can afford to feed them.
这位农民决定以公平的价格出售他的牛的等价物，以确保他能够负担得起喂养它们的费用。