20世纪70年代初以来,历史学家开始认真关注美国的工人阶级。
Since the early 1970s, historians have begun to devote serious attention to the working class in the United States.
全世界都应该认真关注发生在这个遥远山区的事情。
What happens in this remote mountain region is a serious concern for the whole world.
我们尽职责认真关注全部罪犯,同时会优先考虑保护公众。
应用推荐