名词
中文翻译：储蓄
同义词：
['hoard', 'save', 'deposit', 'invest']
例句：
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1.We need to save money for a rainy day.
我们需要为雨天存钱。
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2.He saved up for a year and finally bought a new car.
他攒了一年的钱，终于买了一辆新车。
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3. The company is investing in new technology to improve its competitiveness.
该公司正在投资新技术以提高其竞争力。