Listen again to part of the lecture, then answer the question.
再听一遍这个演讲中的一小节，然后回答问题。
Now, some of you may have studied Plato 's philosophy in some other course, so this might be easy.
你们有一些人也许已经在别的课程上学习过柏拉图的哲学思想了，所以这应该会很简单。
OK. At the risk of boring you, let me give you just an overview of Plato's ethical theory.
好了。冒着让你们觉得厌烦的风险，我给你们概括下柏拉图的伦理理论。
What does the professor imply about Plato's ethical theory?
关于柏拉图的伦理理论教授暗示了什么？