人们有大量的背景知识来应对日常生活中的情况。

People have vast background knowledge to cope with everyday situations. We don t have to be told everything explicitly because we can call on the background knowledge. We use `default knowledge to handle situations where knowledge is incomplete. This is called common sense reasoning. -People have vast background knowledge to cope with everyday situations. We don t have to be told everything explicitly because we can call on the background knowledge. We use `default knowledge to handle situations where knowledge is incomplete. This is called common sense reasoning.