形容词
中文翻译：便宜的
同义词：
['economical', 'affordable', 'budget-friendly']
例句：
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1. We decided to stay at a cheap hotel for the night.
我们决定在一家便宜旅馆过夜。
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2. The restaurant is very affordable, with prices ranging from $5 to $20.
这家餐馆价格很实惠，从5美元到20美元不等。
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3. She bought a cheap dress for her friend's wedding.
她买了一件便宜的裙子参加朋友的婚礼。