A : You forgot to write a subject again for the e-mail you just sent out to the client.
B : Really? I’m sorry.
A : Listen. Every e-mail you send out is a formal business letter. For the sake of the company’s image, please don’t be so careless next time.
A : 你剛寄給客戶的e-mail又忘記寫主旨！
B : 是嗎？真的很抱歉！
A : 你看。每封e-mail都是正式商業書信，為了公司的形象，下次不能再這麼粗心了！