unsubscribe 注销
subscription 捐助, 订阅
locate in 在某一点设置,在…定居
have difficulty in 对…有困难
concern about 使(自己)关心…
need for 对……的需要
last night 昨晚
special offer 特殊报价,特价优待
promotional 促销的
announcement 通[布, 预]告,
for a while 暂时
be integrated into 统一到[归并到,被结合到]…中
initial distribution 初始分布
Unfortunately 遗憾地, 不幸地
additional 增加的, 额外的, 另外的
In Addition 另外 ,此外