名词
中文翻译：邮件收入
同义词：
['revenue from mail']
例句：
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1.The company's mail revenue has increased significantly since the new policy was implemented.
自从实施了新政策后，公司的邮件收入显著增加。
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2.The government is considering a tax on mail revenue to raise funds for infrastructure projects.
政府正在考虑对邮件收入征税，以筹集资金用于基础设施项目。
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3. The company's mail revenue accounts for a significant portion of its annual income.
该公司的邮件收入占其年度收入的很大一部分。