yours sincerely,yours respectfully(respectfully yours)等,写给亲人、亲戚,英文信件结束语内容,faithfully yours(yours faithfully)等;with anticipation,写给熟人、朋友,kind regards,商业信件结尾:best regards ,英文信件结尾怎么写,第一个词开头要大写,非正式的信件结尾:cheerful greetings to all,lovingly yours,your friends,be