名词
中文翻译：Unknown
同义词：
['save', 'conserve', 'economize']
例句：
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1. She spars with her friends about their future plans.
她和她的朋友们就他们的未来计划争吵。
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2. The farmer spars his cows for meat every year.
农民每年都会宰杀他的牛来吃肉。
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3. He spars with his wife on how to raise a child.
他和妻子争论如何养育孩子。