synergy
noun [ U ] business, medical specialized uk/ˈsɪn.ə.dʒi/ us/ˈsɪn.ɚ.dʒi/ (also synergism)
协同作用，增效作用
the combined power of a group of things when they are working together that is greater than the total power achieved by each working separately
Team work at its best results in a synergy that can be very productive. 团队精诚协作可以大大提高效率。