1. We work in perfect cooperation.
    我们工作十分协调。

2. The bridge was repaired by the two states acting in fruitful cooperation.
    在两国富有成果的合作下, 大桥修建峻工。

3. They spent six weeks educating everyone about the changes and winning the cooperation of doctors, nurses and breathing specialists — all of whom had grown comfortable with the old procedure.
    他们用了6周时间来向人们解释改变的意义，来赢得医生、护士和呼吸系统专家的合作——所有这些人都安于旧的治疗程序。