Gained
v. 增进；获得, 得到（gain的过去式）
🗣️ 情景例句
I can see that you've done this before.
我发觉你曾干过此事。
I took charge of the group.
我管理过那批人。
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。