1. We look forward to strengthening still further our already close co-operation with the police. 我们期待进一步加强和警方现有的密切合作。
2. China's leaders have stressed the need for increased co-operation between Third World countries. 中国领导人已经强调了增进第三世界国家之间合作的需要。
3. The end of the Cold War has produced the prospect of a new world order based on international co-operation. 冷战的结束使得基于国际合作的世界新秩序成为可能。
4. Such co-operation is likely to be stable only when each animal feel it is not being cheated. 只有当每个动物都觉得自己没有被欺骗时，这种合作才有可能是稳定的。
5. A joint committee will soon seek further co-operation between Egypt and Spain in industry, trade, investment and science and technology. 一个联合委员会将很快寻求埃及和西班牙在工业、贸易、投资和科学技术方面的进一步合作。
