In1799, it would cost so much to mail a letter I don't know exactly, something like$ 10 or$ 20 to mail a letter at today's rate and it would take a long time get there. 在1799年,寄封信需要花费-,我也不清楚具体的数字,大概相当于现在的10到20块钱-,而且还要花很久才能送达。
If you're doing a snail mail survey, trade up a bit: Anything that distinguishes the survey from direct marketing will increase your success rate. 如果你在做一个平信调查,贸易平信了一点:什么区别调查从直接营销将增加你的成功率。
Can I send this mail at a reduced rate? 我能用速度慢的寄这个邮件吗?
The fifth chapter tests the collect performance and group mail discrimination rate. 第五章对本系统的搜集性能、群发邮件甄别率进行了测试。
At the beginning of21th century, Sino-American relationship will be around the mail problem about "trade and exchange rate". 21世纪初,中美关系将围绕“贸易与汇率问题”这一核心展开。