a matter/waste/collection of

a matter/waste/collection of a collection of Reclcling is the collection and processing of used or waste 翻译：vehicle movements associated with the collection of waste a waste of time pneumatic waste collection 怎么翻译 be waste of 和be a waste of区别 Tom has a collection of all balls My father collection a()() of photos waste——that is a waste of money a matter of a matter of concern