Tạo một địa chỉ email chuyên nghiệp. Tìm hiểu về công ty. Tìm đầu mối liên hệ chung. Xác định người nhận thư. Hãy viết cụ thể với dòng chủ đề.

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?
When sending business correspondence, use a professional, clear email address. Avoid nicknames or unnecessary symbols and numbers. A variation of your name can work well. For example: Smit.smith@company.com would be fine. If your current email address is connected with a social media profile that contains any unprofessional content, create and use a different address. Also, adjust your privacy settings on social media. Before you ask for an internship, research the company at which you would lik