单词attn
abbr.: （书写形式）由…办理
网络: 联系人；收件人；注意
（书写形式）由…办理:
(in writing) for the attention of
So that I know you read this entire post PM me with replies with the word "ATTN" included in a proper english sentence.
这样我才知道你读了整篇文章下午与用“联系人”包括我在内的答复在适当的英语句子。
Attn: - As a courtesy to domain name holders, we are sending you this notification for your business Domain name search engine registration.
经办人：-作为一个域名持有人代理公司，本人们向您发送阁下公司域名搜索引擎注册的通知。
Attn : If you are cashing out, please do not click the redemption button more than once.
注意：如果你要求支付，请不要点击赎回按钮一次以上。
Electronic invoices Attn original identity cards;
领购发票经办人身份证原件；
Attn signature: Liaoning Provincial Bureau of Local
经办人签章：辽宁省地方税务局制