联合国创立至今已有75年。世界发生了翻天覆地的变化。我们必须通过多边主义应对的危机日趋多样，规模日增。2019冠状病毒病就是个很好的例子。联合国在团结国际社会方面所起的关键作用比以往任何时候都更加不可或缺。
Seventy-five years have passed since the founding of the United Nations. The world has changed dramatically. Crises we have to cope with, through multilateralism, are expanding in diversity and scale. COVID-19 is a case in point. The crucial role of the UN to unite the international community has never been more necessary.