post office collections

例句：

1. 1.The post office has a large collection ofstamps.
   邮局有大量的邮票收藏。
2. 2. The postoffice is collecting donations for the earthquake relieffund.
   邮局正在为地震救济基金收集捐款。
3. 3. The post office collects mail fromall over the country.
   邮局从全国各地收集邮件。