The example is chosen solely for its aptness in illustrating the current pet theory of the critic.选择这个例子仅仅是因为它能说明这位评论家目前最钟爱的理论。He explained the organization's current pet theory regarding violent children.他阐释了该组织目前关于暴力儿童的热门理论。I have my own pet theory about that.对于那点，我有自己中意的理论。