OG11版，Diagnostic Test的阅读第一篇文章中提到一句话：at some level of spending the manufacture's advertising effort may be perceived as unreasonably high, implying low manufacture confidence in product quality
上面这句话中第一部分没看懂是什么结构，at some level of doing something is perceived as high，这是什么意思，句子主谓宾的结构没看懂，请大侠赐教，多谢了
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发表于 2009-4-13 23:08:00
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