动词短语
中文翻译：兑现
同义词：
['turn over', 'turn in', 'exchange']
例句：
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1. He cashed in his retirement savings for a newcar.
他兑现了他的退休储蓄买了一辆新车。
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2. The company cashed in its sharesat the stock market opening.
公司在股市开盘时兑现了它的股票。
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3. Shecashed in her oldwatch for a new one.
她用旧表换了一只新的。