Given the diversity and decentralization of efforts, one challenge is to keep track of what is being done, so that the various groups can work together, learn from each other and avoid duplication.
由于各项工作的多样性与分散性,所面临的一项挑战是追踪已完成了什么,使不同的团体能够共同合作、相互学习和避免重复。