1·TRAGEDY and farce have too often been the hallmarks of European effortsto improve energy security.
太多时候，欧洲人为改善能源安全而作的努力被打上了悲剧和闹剧的印记。
2·My goal was to record the hallmarks of our time.
我的目标是记录我们这个时代的印记。
3·On the other hand, such changes inevitably bear the hallmarks of their era.
另一方面，语言的变化又不可避免地打上了时代的印记。
4·THE mining town of Yekepa in Liberia's Nimba County has all the hallmarks of a boom: an Olympic-sized swimming pool, world-class tennis courts, a cinema and a golf course.
利比里亚年巴县耶凯帕的矿业具备繁荣的一切印记：一个奥运会所使用的游泳池，世界级的网球训练场，一家电影院和一个高尔夫场地。