名词
中文翻译：代用品
同义词：
['replacement', 'substitute', 'proxy']
例句：
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1.She used a substitute for the missing ingredient in her recipe.
她用一种替代品来替代食谱中的缺失成分。
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2. The substitute teacher was able to cover the class's needs effectively.
这位替代老师能够有效地满足班级的需求。
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3. The company offered a substitute discount for customers who couldn't make it to the store.
公司为不能到店的顾客提供了折扣优惠。