The collaboration could be achieved by the rules of "strong-strong collaboration, strong-weak collaboration or weak-weak collaboration" according to the capability and the scale of enterprises.

根据企业实力和规模，采取“强强合作、强弱合作或弱弱合作”方式实现合作；

youdao

Weak collaboration, as Andy and Nick put it, involves only those people you know.

FORBES: Come On Now, Hit 'Submit'

However, even though these initiatives can be revolutionary, they are too weak in collaboration and peer learning, key points of successful education.

FORBES: Unishared: Revolution in Online Education Beyond Coursera, Edx, and Udacity