We were pleased to hear from your letter of 6 August that you were impressed with our selection of toys.
我們很高興收到你方8月6日來函得知你方對我們的玩具非常感興趣。
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活動通過富有建設性地利用業余時間使人感到心滿意足,不再有無聊之日。