有些要素很难量化因此忽略；关于失业的数据，举例来说，参差不齐难作比较。

Some factors are hard to quantify and are therefore discounted; the data on unemployment, for example, were too spotty to compare.

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更为重要的是，该进步是以当今芯片行业的基本要素之一——二氧化硅为基础，这使得该项技术的商业化过程比较容易。

More important, the advance is based on silicon oxide, one of the basic building blocks of today's chip industry, thus easing a move toward commercialization.

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基于要素分析的比较优势理论和基于竞争力分析的竞争优势理论是国际贸易的两个主要理论。

The existing theory of international trade could be distinguished into two main sorts named comparative advantage based on factor analysis and competitive advantage based on competitiveness.

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