Men and women, young and old, to give us their time.
不管男女老幼 ,请他们贡献时间。
Hello, it's a pleasure to meet you all.
你们好,很高兴见到大家。
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?