| 单词 | purchase and sale |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔in-and-out〕Involving the purchase and sale of a single security within a short period of time.短线进出的：一种证券在短期内买进卖出的美国传统〔risk arbitrage〕The simultaneous purchase and sale of assets that are potentially but not necessarily equivalent.风险套购：可能但不一定相等的同时买卖的资产美国传统 |
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