The door closed silently.As I bade him good night I caught that desperate, hopeless smile again, like a meteoric flash over the rim of a lost world.

• 老头跟我来到车道拐弯处，门无声地关上了，同他道晚安时我又看到了那种绝望、无助的笑容，像从一个失去了的世界边缘上掠过的一颗闪光的流星。