This is a series of Chinese speaking textbooks designed under a “task-based” concept. With communication as its target and tasks as its thread, the series integrates topics, functions and culture together and realizes an organic unity of form and meaning. It is suitable for learners from entry-level to intermediate-level and can be used in both short-term training classes and long-term programs.

This is Book 4, suitable for intermediate-level learners. The book is composed of 10 topical units with quite formal content about various aspects of the modern world, including politics, economy, culture, life, and sports, etc. Each unit has several instructional objectives for learners to fulfill during the process of completing tasks.