Researchers in this field have made some important new discoveries.
這個(gè)領(lǐng)域的研究人員有了一些重大的新發(fā)現(xiàn)。
Teachers are up against some major problems these days.
老師們最近面臨著一些重大問(wèn)題。
Digital television has been around for some time now.
數(shù)字電視已經(jīng)面市一段時(shí)間了。
A solution is still some way off.
解決辦法尚需時(shí)日。
Everyone experiences these problems at some time in their lives.
每個(gè)人在人生的某個(gè)階段都會(huì)經(jīng)歷這些問(wèn)題。