在外交活動(dòng)中，建立正式的外交關(guān)系往往需要通過(guò)交換建交函的形式來(lái)實(shí)現(xiàn)。以下是一份簡(jiǎn)短的英文建交函范文：

[Date]

The Embassy of [Country A]

To: The Embassy of [Country B]

Subject: Establishment of Diplomatic Relations

Dear Sir/Madam,

We are pleased to inform you that the Government of [Country A] is eager to establish formal diplomatic relations with your great nation. We believe that this step will significantly enhance the mutual understanding and cooperation between our two countries.

Please find enclosed the draft of a bilateral agreement outlining the terms and conditions for the establishment of diplomatic ties. We look forward to your favorable response and are hopeful that this will mark a new chapter in our bilateral relations.

Sincerely,
[Name]
[Title]
Ambassador of [Country A]

以上范文簡(jiǎn)潔明了，適用于兩國(guó)初次建立外交關(guān)系時(shí)的正式函件。