往返机票已经买好，将在三日内送达的翻译：Round-trip tickets have been bought and will be served within 3rd 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

Round-trip ticket has been bought, will be delivered within three days

Round-trip tickets have been bought and will be served within 3rd

The round-trip airplane ticket already bought, will deliver in third

Round trip airfare has been insulated, will be served in 3 days

Round-trip tickets have been bought and will be served within 3rd