sb. argue that ...
Sociologists argue that inequalities in industrial societies are being reduced.
社會(huì)學(xué)家認(rèn)為工業(yè)社會(huì)的不平等現(xiàn)象正在減少
sb. contend that ...
These people contend that they have earned the right to the land.
這些人爭(zhēng)辯說庵佣,他們已經(jīng)贏得了對(duì)土地的權(quán)利