例句與造句

1. With data from 329 chinese listed manufacturing manufacturing firms in 2004 , we get the following empirical results : the degree of internationalization ( doi ) of the firms has a negative effect on the performance , and it demonstrates a significant negative correlation between the degree of internationalization ( doi ) of firms measured by esr and return on sales ( ros ) and roa ( return on assets )
   通過多元線性回歸分析，我們發(fā)現(xiàn)目前中國(guó)制造企業(yè)的出口行為對(duì)績(jī)效產(chǎn)生了負(fù)向影響，以出口比例衡量的國(guó)際化程度與企業(yè)的銷售凈利率和總資產(chǎn)凈利率顯著負(fù)相關(guān)。
2. It's difficult to find roa(return on assets) in a sentence. 用roa(return on assets)造句挺難的