Design problems, which represent challenging applications of the text material, are identified by boldface problem numbers. 对于本教材中较难的设计问题用黑体字题号来标志。
Topics and language content were selected based on a close examination of CFL textbooks currently used in the U. 本教材为海外汉语教师提供可用于课堂教学的视频资源,也可用作学生的辅助自学材料。