The complexity of the system is too much to go into as part of this article, but if you want a flexible, interoperable system, then UBL is a good place to start.
这个系统非常复杂，不可能在本文中讨论，不过如果需要一种灵活、互操作的系统，UBL是不错的起点。
Although I am not good at writing an article, I wanted to become a writer very much.
虽然我的文章一直写得不好，但是我还是很想成为一名作家。
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