1.He forgot to ask me to sent the letter. I shall never forget finding that rare stamp on an ordinary envelope.
我永远也忘不了在一个普通信封上发现了那枚珍贵的邮票。
2.He is something of a stamp collector. The fact that once he saved up for two years to buy a rare stamp is proof of it.
他可说是个集邮家。他曾经积蓄了两年去买一张珍邮这件事便是证明。
3.The stamp collector decided to get that rare stamp at all costs.
这个集邮迷决心无论代价如何都要搞到那枚稀有的邮票。
4.The rare stamp is in the possession of an unknown collector.
那珍奇的邮票现在为一位不知名的收藏家所有。
5.eg: How can he procure that rare stamp ?
他是怎么得到那张罕见的邮票的？。