If you would like a copy of our fact sheet, please write in, enclosing a stamped addressed envelope.
【write】如要索取我们的资料页请来函，并附上贴了邮票写明地址的信封。
英语百科
Self-addressed stamped envelope
（重定向自Stamped addressed envelope）
A self-addressed stamped envelope (SASE), stamped self-addressed envelope (SSAE), or just stamped addressed envelope (SAE) in the UK, is an envelope with the sender's name and address on it, with affixed paid postage and mailed to a company or private individual.