1. Select projects where there's potential for mutual benefit. 选择有可能达成互惠互利的项目。
2. The East and the West can work together for their mutual benefit and progress. 东西方可以为互惠和进步而合作。
3. Bound in an alliance of mutual benefit, clownfish spend their entire lives with their host anemones, rarely straying more than a few yards from them. 在互利共生的约束中,小丑鱼一生与宿主海葵生活在一起,很少游出超过它们几米的地方。