Business letter 的音标为：
/ˈbɪznɪs ˈlɛtər/

Business letter 是指商业信函或商务信函，通常用于公司或企业之间的正式沟通，或是公司与客户、合作伙伴之间的交流。

翻译：

Business letter = 商业信函，商务信函

读音：

business: /ˈbɪznɪs/

letter: /ˈlɛtər/

用法：

Business letter 用于正式的商务沟通，通常遵循一定的格式和礼仪，如信头、称谓、正文、结尾等。

例句：

The company received a business letter requesting information about their services.

He is an expert in writing professional business letters.

Please send me a business letter with the details of the offer.

Business letters should always be polite and to the point.

The business letter should include the sender’s contact information.

I received a business letter from a potential client yesterday.

The business letter was addressed to the CEO of the company.

In a business letter, you should avoid using slang or informal language.

She wrote a business letter to inquire about job openings.

A business letter typically ends with a formal closing, such as "Sincerely" or "Yours faithfully."

短语搭配：

Business letter format (商业信函格式)

Business letter writing (商业信函写作)

Formal business letter (正式商务信函)

Cover business letter (求职信)

Business letter of inquiry (询问信)