Phần mở đầu cần phải được chuẩn bị thật kỹ. Khái quát những lợi ích. Hãy thuyết phục họ bằng những bằng chứng xác thực. Cung cấp những thông tin cơ bản về sự kiện của bạn. Hãy tới tận nơi. Dưới đây là một ví dụ:

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
In the opening paragraph of the letter, you should immediately introduce yourself or your company and your cause – specifically. Don't beat around the bush. People need to be hooked right out of the gate.  Don't assume people know who you are or what your organization does. Explain those things, clearly. Begin with a description of the company (if it's a corporate letter) or yourself (if it's for personal sponsorship). For example, such-and-such firm is a nonprofit organization committed to reha