According to recent surveys, retirement security is first and foremost on the minds of people in this group.
最近的调查显示，这部分人首先关注的是退休安全。
This pair of unrelated events ought tofocus minds, and not just among the small group of astronomers who have been worrying about asteroid strikes for many years.
多年来天文学家们一直对行星撞击事件忧心忡忡，以上两件事件不仅需要天文学家的关注，还需要我们的重视。
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