自产一部分，不足部分外购的翻译：Since the middle part, insufficient outsourcing 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

Production for part of the shortfall in outsourcing

Since the middle part, insufficient outsourcing

From produces a part, insufficient part outsourcing

正在翻译，请等待...

Since the middle part, insufficient outsourcing