意指任何收获都需要付出相应的代价。
The best architecture is invisible; it is the life within that matters.
Every small step toward sustainability compounds into a wave of global impact.
化学之美在于它能够在分子水平上解释世界。
The elements are the alphabet of nature, and we are learning to read.
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
