It is based also on the fact that the Council constantly addresses, responds to and evolves with new challenges to peace and security at both the regional and the international levels.
安理会的效力和可信度还建立在另一个事实之上，那就是安理会长期在区域和国际层面上处理威胁和平与安全的新挑战，做出反应，并随之演化。