Even with a magnifying glass I couldn't discern any imperfections in the porcelain.
即使有一个放大镜，我也不能发现瓷器上
任
。
美；
；疵
美
;
;美;
，;;
疵，;;;Even with a magnifying glass I couldn't discern any imperfections in the porcelain.
即使有一个放大镜，我也不能发现瓷器上任。
Considerable attention has been given to imperfections of information and of competition, to transaction costs, indivisibilities, and increasing returns, and to some of the relations among these.
而大量关注集中在信息不善、竞争不善、交易成本、不可分割性、递增收益、以及它们之间一些关系。
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