There have been many changes in recent years.

　　近幾年發(fā)生了許多變化。

　　Call me if you have any problems regarding your work.

　　你如果還有什么工作方面的問(wèn)題就給我打電話(huà)。

　　You seem to have set a new trend.

　　看來(lái)你們是開(kāi)了一個(gè)新風(fēng)氣。

　　No new SARS cases have been reported in the region.

　　該區沒(méi)有新增非典型肺炎病例。

　　These changes have occurred over a long time span.

　　這些變化經(jīng)過(guò)了很長(cháng)一段時(shí)間才形成。