例句與造句

1. Our empirical study also shows that prospects for future earnings , the export ratio , domestic competition , firm size , and the labor costs ratio are the most important factors affecting firms ' investment decisions
   由企業(yè)的投資決策模型可看出，企業(yè)國(guó)內(nèi)外投資決策受到對(duì)未來(lái)工農(nóng)業(yè)民房、外銷比率、國(guó)內(nèi)市場(chǎng)競(jìng)爭(zhēng)程度、企業(yè)規(guī)模、人事成本比重等因素的影響。
2. It's difficult to find export ratio in a sentence. 用export ratio造句挺難的