•There has been a significant increase in the number of women students in recent years.近年来，女学生的人数有了显著增加。

•The talks between the USA and the USSR were very significant for the relationship between the two countries.美国和苏联的谈判对两国间的关系非常重要。

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•She looked at him across the table and gave him a significant smile.她隔着桌子望着他，给了他一个意味深长的微笑。

•Do you think it 's significant that he hasn't replied to my letter yet?你觉得他还没给我回信有甚么特别的用意吗？