例句與造句

1. This paper explains and evaluates concepts and measures of competitiveness at three different levels of aggregation : the firm , the industry or groups of industries , and nation
   本文從國家、產(chǎn)業(yè)和企業(yè)三個(gè)層面對(duì)國際競爭力的含義、衡量指標(biāo)以及政策進(jìn)行詳細(xì)的論述。
2. It's difficult to find evaluating concepts in a sentence. 用evaluating concepts造句挺難的