Some observers of Japan have assumed that Japanese as United States firms but have benefited from the unique characteristics of Japanese employees and the Japanese culture.

这个是阅读里的一个问题的考点，请大家帮忙翻译一下，特别是我黑体字部分的as 和but的解释，感激fficeffice" />

Some observers of Japan have assumed that Japanese firms use the same manufacturing equipment and techniques as United States firms but have benefited from the unique characteristics of Japanese employees and the Japanese culture.
原句是这样的巴fficeffice" />