商務英語就是要professional，也就是 to speak in formal ways（正式的談吐）。There are formal ways to say even the simplest words. Read the following to find out the most polite ways to say some everyday business words. 即使是最簡單的單詞也有正式的表達方法。下面的內容告訴你日常商務英語最禮貌的表達方法。
YES （表達“是”的幾種方式）:
Affirmative, sir.
當然，先生。
Anything for you.
一切聽您的。
It would be my pleasure.
這將是我的榮幸。
Of course.
當然。
NO （表達“不”的幾種方式）:
Negative, sir.
先生，不是。
Sorry, that is not correct.
對不起，那是不對的`。
I would be glad to, but I can't.
我很高興這樣做，可我不能。
Sorry to say I don't have time.
很抱歉，我沒有時間。
I have never had that opportunity.
我從來沒有那樣的機會。
Thank you.
謝謝你。
Thank you for your help.
謝謝您的幫助。
I owe you one.
你對我有恩。
I really appreciate your assistance.
我真的很感激你的幫助。
You are welcome.
不客氣。
It is my pleasure, anytime.
我的榮幸，別客氣。
Don't mention it, Miss.
小姐，不客氣。
Any gentleman would do the same.
每位紳士都會這麼做的。