开船前三天向海关报关的翻译：Sailing three days before customs brokerage 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

Three days before sailing to the customs declaration

Sailing three days before customs brokerage

Sets sail previous three days to the customs declaration

3 days before sailing to the customs declaration

Sailing three days before customs brokerage