Given these ways of thinking, many companies prefer to invite an environmental engineering firm to their plant for an "evaluation." They draw out some simplified and crude conclusions from the evaluation and try to design and install their own machinery.
在這種心態下，不少企業是請了專業公司來廠房現場「評估」一下，從這種「評估」中聽取了一些粗淺片段的意見後，便揣摩著自己設計、施工。