Author(s)

Li Qin

Corresponding Author

Li Qin

Abstract

College English Ecosystem includes subjects and environment；the study of its operation, characteristics and laws helps to deal with teachers’ imbalance in the system. PBL (Project-based Learning) enters the College English Ecosystem, copes with the symptoms of ecological imbalance among teachers, promotes their role reposition as well as function transformation, and facilitates their ecological implementing, coordinating, connecting and promoting.

Keywords

College English Ecosystem; Pbl; Imbalance; Facilitation