[字彙] certified mail ?

[redc (redc)]

certified mail 是掛號信的意思嗎??

最近向國外追一封重要的信件

他說

had been sent by "certified mail"
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※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 210.85.31.158
推 RyeCatcher:yes
→ smartia:it is okay to use "registered mail" ,too.