以前总觉得物流是一个很虚的概念的翻译：Previously always felt that logistics is a virtual concept 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

I used to think logistics is a virtual concept

Previously always felt that logistics is a virtual concept

Before always thought the physical distribution is a very empty concept

Previous General feel that logistics is a very virtual concept

Previously always felt that logistics is a virtual concept