全场一双包邮，2双包邮（另减10元）的翻译：Full double posting, 2 double mail (minus $ 10) 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Overall one pair 包邮, two pairs 包邮 (another minus $ 10)

Full double posting, 2 double mail (minus $ 10)

Entire audience double bags postal, 2 double bags postal (reduce 10 Yuan in addition)

All the audience a double-Pack 2 e-mail, e-mail (another double cut $10 )

Full double posting, 2 double mail (minus $ 10)