你将幻灯机还给我了。You gave me back the projector.我的办公室里有一架新的幻灯机.There is a new projector in my office.我们已经准备好了幻灯机来演示火星人是怎么采集外界信息的了.We've rigged the epidiascope to refIect whatever the Martian Iens picks up....
The group had a net profit margin of 30% last year.去年，这个集团的纯利润率为30%。Shares slid 11p to 293p after brokers downgraded their profit estimates.股票经纪人降低了他们的利润预期之后，股价下跌了11便士至293便士。They are set to make a big fat profit.他们下定决心要大...