“ JTA以与资源无关的方式管理事务”是什么意思？

Question

只是学习JTA，据一篇文章所述

Java Transaction API, more commonly known as JTA, is an API for managing transactions in Java. It allows us to start, commit and rollback transactions in a resource-agnostic way.

“资源不可知”一词是什么意思？

引用：https://www.baeldung.com/jee-jta