A thank-you note or telephone call after the visit is also considered polite and is an appropriate way to express your appreciation for the invitation.
拜访后的一封感谢信或一个电话也被视作一种礼貌,是一种表达你对收到邀请的感谢的适当方式。
2
Messages are often transmitted via telephone, Telex, interoffice delivery system., conventional Postal service mail, or overnight delivery service such Federal Express.