A child first labels the household pet cat as a 'cat' and then generalises this label to other animals that look like it. 孩子会先把家中的宠物猫称为“猫”,然后将其他像猫的动物都称为“猫”。
I realise that an Englishman who generalises about Ireland invites trouble 我意识到英国人如果对爱尔兰问题加以泛化的话会招惹麻烦。
PPP generalises this "law of one price". 购买力平价法概括了这条“一价定律”。