Cleaner production process of the alcohol enterprise is a complexfeedback system which involves the improvement of process, the reuse of circulating cooling water, sludge and so on.
Knowledge work is inherently complex and it is the use of the feedback loop that helps manage and mitigate the effects of things like Murphy's Law and Parkinson's Law.
知识工作本来就很复杂，其中用到反馈循环辅助管理，并去掉了像墨菲定律和帕金森定论之类东西的影响。
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Complex and simple form layouts can provide equally great feedback and help users get back on track, as the following screenshots of SEOmoz and MailChimp show.