The beauty of chemistry lies in its ability to explain the world at the molecular level.
化學(xué)之美在于它能夠在分子水平上解釋世界。
U.S. energy independence doesn't mean isolation - we're still part of global markets.
Enjoyment appears at the boundary between boredom and anxiety, when the challenges are just balanced with the person’s capacity to act.
模塊化對于構(gòu)建大型系統(tǒng)至關(guān)重要，因?yàn)樗试S我們將復(fù)雜的問題分解為更小、更易管理的部分。