萨德伯里市提议在退出蓝箱业务期间，强制私营公司使用带盖的蓝箱容器。 Sudbury city proposes mandating lidded blue box containers for private companies during transition out of blue box business.

一封致萨德伯里市的信提议，在该市退出蓝箱业务期间，要求销售蓝箱容器的私营公司只提供有盖的容器。 A letter to Sudbury city proposes mandating private companies selling blue box containers to provide only lidded ones, during the city's transition out of the blue box business. 作者相信这一要求将确保回收目的的一致和正确使用。 The author believes this requirement will ensure consistent and proper use for recycling purposes. 为提高效率，该市计划将蓝箱销售外包给私营部门。 The city plans to outsource blue box sales to the private sector for efficiency.