The stars near the galactic center are like cosmic clocks, helping us map spacetime.
银河系中心附近的恒星就像宇宙时钟，帮助我们绘制时空图。
The effects of immigration are often localized and context-specific.
The most personal is the most universal.
The ability to focus attention is crucial for learning, memory, and performance in complex tasks.
解释：死亡、生存、惊恐、惧怕等观念都进入不到他的内心中，因而遇到任何事情都不害怕。
我从失败中学到的比从胜利中学到的更多。