例句與造句

1. The knowledge economy developmental indexes and comprehensive analysis model play the roles of guidance and normalization in promoting the knowledge economy development
   摘要知識經(jīng)濟(jì)發(fā)展指標(biāo)及綜合分析模型對促進(jìn)知識經(jīng)濟(jì)發(fā)展具有引導(dǎo)性和規(guī)范性的作用。
2. It's difficult to find developmental index in a sentence. 用developmental index造句挺難的