名词
中文翻译：交易证明书
同义词：
['trade certificate', 'trading document', 'trade receipt']
例句：
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1. The company issueda new trading certificate to its employees.
公司为员工颁发了新的交易证书。
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2.The trading certificate was used as evidence of the transaction.
交易证书作为交易证据被使用。
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3.The trading certificate is required for opening a foreign exchange account.
开设外汇账户需要交易证书。