动词
中文翻译：节约
同义词：
['save', 'conserve']
例句：
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1. We must be careful notto waste any resources.
我们必须小心不要浪费任何资源。
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2. The government is trying to savemoney by cutting back on unnecessary expenses.
政府正试图通过削减不必要的开支来节省资金。
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3. She saved up for months to buya new car.
她攒了几个月的钱才买新车。