可持续性不是一种趋势;这是我们对后代的责任。
A Book of Verses underneath the Bough, A Jug of Wine, a Loaf of Bread—and Thou Beside me singing in the Wilderness— Oh, Wilderness were Paradise enow!
A building must be a reflection of the human spirit.
我喜欢在压力下比赛,我喜欢困难的情况。
判断两个λ表达式是否等价的问题是无法解决的。