家庭废物的每周收集安排在星期一。
The weekly ___collection of household waste is scheduled for Mondays.
回收收集的改进减少了垃圾填埋场的使用。
Improvements in recycling ___collection have reduced landfill use.
慈善活动的捐款收集非常成功。
The ___collection of donations for the charity event was very successful.