名词
中文翻译：邮政系统
同义词：
['postal system', 'postal service', 'postal network']
例句：
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1. The king's post system is the backbone of the country's transportation infrastructure.
国王的邮政系统是国家交通基础设施的核心。
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2. The new postal system aims to improve efficiency and reduce costs.
新的邮政系统旨在提高效率和降低成本。
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3. The king's post system is responsible for delivering mail and packages across the country.
国王的邮政系统负责在全国范围内运送邮件和包裹。