名词
中文翻译：循环信用证
同义词：
['revolving credit', 'revolving letter of credit例句：1. The company issued a circular letter of credit to facilitate trade between countries.（该公司发行了循环信用证，以促进国家间的贸易。）']
例句：
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1. The company issued a circular letter of credit to facilitate trade between countries.
该公司发行了循环信用证，以促进国家间的贸易。
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2. The circular letter of credit was due to mature on the 30th of this month.
循环信用证将于本月30日到期。
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3.The circular letter of credit was used to secure the payment for the goods.
循环信用证被用来确保货物的付款。