通知篇（19）：商品缺货通知
Dear subscribers,
亲爱的订购客户：
Due to booming sales, we are so sorry to inform you that Harry Potter VII you ordered has been out of stock. However, we will replenish stock at once. If you still wish to order it three days later, please let us know if you would like to have it delivered by airmail or by surface mail.
由于销售量暴增，很抱歉通知您订购的《哈利•波特 7》已经没货了。不过我们会马上进货。如果三天后您还想要订购，那么请告知我们是用航空邮寄还是普通平信邮寄？
We are looking forward to hearing from you soon.
期待您的回信。
Sincerely yours,
Horizon English Book Co.
地平线英语图书公司 谨上
