最好的诗歌是那些为读者留有进入空间的作品。

南开校训，意为培养公正与能力兼备的人才，追求不断创新。

The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have been replaced by a general consensus on the desirability of liberal democracy.

可持续采石意味着像倾听股东一样认真地倾听土地的声音。