求翻译：当我们试图去改变一样东西时，我们必须先去了解这件东西的发展和现状，就例如这个基地，我们必须要彻底认识它的厂房层高以及它人流的状况，从而才可以着手进行保留或拆除一些建筑。是什么意思？

When we try to change something, we must go to understand the development and current status of things, for example, the base, we must thoroughly understand its story and its plant flow conditions, so we can proceed with retention or removal of some of the buildings.

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When we attempt changes the same thing, we must first understand this thing the development and the present situation, for example this base, we must have to know its workshop building store height as well as its stream of people's condition thoroughly, thus only then may take steps the retention or

When we tried to change something, we must first understand the development and status of things, such as the base, we must thoroughly understand the plant floors and its people, before they can proceed to the reservations or demolition of several buildings.