The collection of these stamps took ten years.
收集這些郵票花了十年時間。
2. 收藏品,搜集的東西[C]
He has a very good collection of foreign coins.
他收藏著不少外國硬幣。
3. 募捐;募集的錢[C]
take up a collection
募款
4. 聚集;積聚;大量,大堆[C][S1][(+of)]
There is a collection of dust in an unused room.
空著不用的房間常常積起大量灰塵。