synergy|synergies

这两个部门的合作产生了协同效应，大大提高了工作效率。

The ___synergy between the two departments significantly improved work efficiency.

两家公司的合作产生了强大的协同效应，使他们的市场份额翻了一番。

The partnership between the two companies created a strong ___synergy, doubling their market share.

医生发现这两种药物联合使用时产生了显著的协同效应。

Doctors observed significant ___synergies when these two medications were used together.