曾炜表示，许多餐饮酒店都将餐厨废油的收购权承包给了专人，收购方和餐饮企业间建立比较稳定的购销关系，外人不得插足。

According to Zeng, many restaurants contract out their kitchen waste collection to private parties, a stable set-up in which there is no room for the entrance of an outside party.

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本文选取张炜的作品作为研究对象，一方面是希望可以为张炜作品的研究提供新的探索视角；

Selecting Zhangwei's works as the research object, this paper has two points of studying purposes, hoping can provide a new research perspective angle in exploring his works on one hand.

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