have a circulation of

例句：

1. 1. The new policy will help to improve the circulation of information.
   新政策将有助于改善信息流通。
2. 2.The river has a rich history and is an important source of water for the surrounding area.
   这条河流有着丰富的历史，是周围地区的重要水源。
3. 3. The book's circulation was very high during its first year of publication.
   这本书在出版后的头一年销量非常高。