yóu biàn ㄧㄡˊ ㄅㄧㄢˋ 邮便（邮便） 邮政。 梁启超 《再驳某报之土地国有论》：“如邮便、电信事业，若发邮、发电者加多时，则添电杆、添邮局、添局丁，所费有限。”
一份承诺一旦被投邮便产生效力。
由2016年6月1日（三）起，日本邮便局将更新EMS收费，各位顾客下单前请注意。
From June 1st (Wednesday) 2016, the shipping fee for EMS will be changed. Please be aware of this when you purchase.
快邮送来了包裹，马丁割断包裹绳，出版社赠送的那半打样书便散落到桌上。他不禁感到一种沉重的悲哀。
As Martin cut the cords of the express package and the half-dozen complimentary copies from the publishers spilled out on the table, a heavy sadness fell upon him.
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