名词
中文翻译：轻面信函
同义词：
['light envelope', 'light correspondence']
例句：
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1.The company's new policy is tosend out light face letters to customers.
公司的新政策是向客户发送轻面信函。
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2. He received a light face letter fromhis friend asking for help with their project.
他收到了一封来自朋友的轻面信函，请求帮助完成他们的项目。
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3. Thesender of the light face letter was instructedto follow up on the matter as soonas possible.
轻面信函的发送者被指示尽快跟进此事。