| 单词 | 购买证 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔POP〕Proof of purchase.购买证明美国传统〔arbitrage〕The purchase of securities on one market for immediate resale on another market in order to profit from a price discrepancy.套利，套汇：在一个市场上购买证券而在另一个市场上立即售出以从价差中获利美国传统〔proof-of-purchase〕A document, such as a sales slip or a product label, that is valid evidence for claiming a refund or a premium.购买证明：在要求退款或保险金时作为有效证据的单据，比如发票或产品标签美国传统〔proof〕Do you have any proof of purchase? (=something to prove that you bought and paid for something) 你有什么购买证明吗？朗文当代 |
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