名词
中文翻译：Unknown
同义词：
['record of purchases', 'purchase book', 'purchase journal']
例句：
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1. The company keeps a detailed records of all its purchases.
该公司详细记录了所有购买情况。
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2. The financial department maintains a purchase record for each transaction.
财务部门为每次交易维护购买记录。
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3. The purchasing manager has to keep track of the expenses incurred during the purchase process.
采购经理必须跟踪购买过程中产生的费用。