Technology has totally changed our life over the past two decades.
在过去的二十年里,科学技术已经完全改变了我们的生活。
Gold will not buy everything.
黄金不能购买一切。
Who could have imagined, in the mid 1970s, for example, that by the end of the 20th century, computers would be as common in people's homes as TV sets?