一个问题

Little Uhlakanyana, small and sly, has tricked an ogre out of his cattle and driven them to the river by nightfall. He hides the herd in the reeds and climbs a tree to sleep. At midnight the ogre's footsteps sound across the river — and one cow in the herd begins to low. To moo or not to moo? He decides from the treetop.

带着它去找你自己的 AI。不用它给答案，让它陪你把这件事想清楚。