摘要：
入门篇 May I leave a message 我可以留话吗？ May I take a message 我可以帮你留话吗 go ahead 请继续/请讲 You must come back as soon as possible 你必须尽快回来 here you are = here you 阅读全文
摘要：
道歉信：1、写信目的——致歉（要有诚意）I’m writing to present／convey my sincere guilt that ...2、列出自己的原因：There are several factors in the following part.First and foremos 阅读全文