秘书长关于这些挑战范围之大、之复杂的讲话再次表明我们为何比以往任何时候都更需要联合国，以便通过多边合作协助促进和平与安全。
The Secretary-General’s statements on the scope and complexity of these challenges reaffirm why we need the United Nations more than ever, to help advance peace and security through multilateral cooperation.