这个合同需要追溯到去年1月的翻译：The contract needs to be traced back to last January 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

The contract required dates back to January last year,

The contract needs to be traced back to last January

This contract needed to trace last January

THIS CONTRACT needs to be traced back to the last January

The contract needs to be traced back to last January