It is said that there was once a great director with great personality and adventure who went to the jungles of South America to make a documentary about ancient Inca civilization.
虽然这件事发生在上个世纪,但是人们永远都不能忘记那段历史。
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Although this happened in the last century, people can never forget that history.
从20世纪80年代起,比尔•盖茨每年都要进行两次为期一周的“闭关”。
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Since 1980s, Bill Gates has conducted two one-week "retreat" every year.