No matter how the day is celebrated, the purpose of these celebrations is to help everyone understand the UN and the important roles it plays in worldaffairs.
无论如何庆祝这一天，这些庆祝活动的目的都是帮助每个人了解联合国及其在世界事务中发挥的重要作用。
2
This region continues to occupy centre stage in worldaffairs.
这个地区继续在国际舞台上占主导地位。
《牛津词典》
3
One or two powers should not have the final say on worldaffairs.