If it doesn't challenge you, it won't change you.

Now some advantages particular to this age are not to be denied. Boredom seems to have been vanquished. There is always something to do, but hasn’t this translated into a perpetual distraction in our lives.

量子计算的未来在于理论洞察和实验进展的整合。

高分子化学的引入开辟了一个新的材料世界，其性质和应用仍远未被充分探索。