经济词汇In contrast,the proportion of returns on capital in GDP had risen by 20 percent during the period from 1978 to 2005.请问这句话中returns on capital是指什么?怎么翻译?

经济词汇In contrast,the proportion of returns on capital in GDP had risen by 20 percent during the period from 1978 to 2005.请问这句话中returns on capital是指什么?怎么翻译? by contrast;in contrast;on the contrast; on the other 这四个词组之间的区别. in contrast 请问contrast的几个固定搭配的用法我在词汇书上看到contrast的三个词组 但是我看不懂它们的区别 分别是contrast...with；contrast with和in contrast with/to 麻烦知道的具体说下 in contrast和on the contrary的区别 请问on the opposite与in contrast可以互换吗? in contrast 与by contrast的区别 in contrast 和 by contrast的区别 “by contrast,in contrast”有什么区别? in contrast 求翻译 in contrast是什么意思? in sharp contrast any contrast 这和 in the contrast 是一个意思么是不是就用在口语当中的啊? by contrast,in contrast有什么区别?有by contrast with,in contrast with in contrast to 和 in contrast with的区别? on the contrary,even though,in contrast,in spite of分别是什么意思,并请造个句子? in contrast,on the contrary,on the other hand有什么区别?最好有例句 the dark stones stand out in stark contrast to the white snow 翻译下