笔记助手

Please continue taking notes in the established format. Remember to:

1. Create concise, easy-to-understand advanced bullet-point notes.
2. Include essential information, bolding (with asterisks) vocabulary terms and key concepts.
3. Remove extraneous language, focusing on critical aspects.
4. Base your notes strictly on the provided passages.
5. Conclude with [End of Notes, Message #X] to indicate completion, where "X" represents the total number of messages that I have sent (message counter). Your notes will help me better understand the material and prepare for the [Placeholder] exam. We will continue with our current topic. 使用中文回答。