business letter的音標為[?b?z?n s ?le?t] ，基本翻譯為“商務信函”，速記技巧可以是：b=商；us=我們；i=信息；ni=你；let=信件。

Business letter這個詞的詞源可以追溯到拉丁語“negotium”，意為“事務，商業交易”。這個詞在英語中經過了幾個變化形式，并衍生出了許多相關的單詞。

1. “Business”這個詞來自于拉丁語的“busines”，意為“從事某事，業務”。

2. “Letter”這個詞來自于拉丁語的“leter”，意為“信件”。

以下是相關的單詞：

1. “Business letter” - 商業信件，工作信件

2. “Business letterhead” - 信頭，公司抬頭

3. “Business letter writing” - 商業書信寫作

4. “Business letter writing skills” - 商業書信寫作技巧

5. “Business letter format” - 商業信函格式

6. “Business letter template” - 商業信函模板

7. “Business letter proofreading” - 商業信函校對

8. “Business letter correspondence” - 商業信函往來

9. “Business letter etiquette” - 商業信函禮儀

10. “Business letter policy” - 商業信函政策，公司政策關于商業信函的使用和規范。

這些單詞都與商業信函的寫作、格式、禮儀、校對和往來等有關，是商業活動中不可或缺的一部分。

常用短語：

1. introduce/describe briefly

2. request for information

3. confirm our previous discussion

4. request quotation

5. request sample

6. confirm order

7. request delivery date

例句：

1. We would like to introduce/describe briefly our new product for your consideration.

2. We have requested for information from several suppliers and are waiting for their response.

3. We confirm our previous discussion about the terms of the order and look forward to receiving your quotation soon.

4. We would like to request a sample of your product to confirm its quality and functionality.

5. Our order has been confirmed and we are expecting delivery of our goods soon.

6. We need to confirm the delivery date of our goods and ensure that it meets our requirements.

英文小作文：

Subject: Request for Quotation

Dear [Supplier Name],

I am writing to request for your quotation for your [Product Name] as per the specifications provided below. Please provide your best price and terms for the purchase of [Quantity].

I would like to confirm that I am interested in your product and would like to explore the possibility of a long-term partnership with your company. Thank you for your time and I look forward to receiving your response.

Best Regards,

[Your Name]