而两人并没有丧失信心，化学工程师洛瑞使用无毒方法进行清洁实验，而学广告的赖安则专注于市场开发。
Undeterred, Lowry, the chemical engineer, experimented with nontoxic ways to clean, while Ryan, the AD guy, focused on marketing.
这就迫使所有的废液都成为可见的，这就鼓励化学工程师找到废物利用的方法或者在最开始的时候避免它的产生。
This forces all waste streams to become visible, which encourages chemical engineers to look for ways to use the waste or avoid its production in the first place.
这个分析很明显的把注意放在原料所来带的能源上，并且化学工程师也在寻找着恢复这些能源的方法。
The analysis pays explicit attention to energy that is carried by material streams, and chemical engineers look for ways to recover this energy as well.
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