The Cottonwood Institute works with teachers to help them combine classroom studies with environmental projects.

Cottonwood Institute 与教师合作， 帮助他们将课堂学习与环境项目结合起来。

136.During the Spring Festival, he designed a flexible schedule where he combined the study with entertainment so that he could accomplish the academic task as well as enjoy a series of annual concerts.

春节期间，他设计一个灵活的时间表，把学习和娱乐结合起来，那么他既能完成学术任务，也能享受一系列每年一次的音乐会。