Relationship between world peace and spam

Blogging = Quality spam;
Public relations = Quality blogging;
Diplomacy = Quality public relations;
World peace = Quality diplomacy;

博客 = 優質的垃圾郵件;
公共關係 = 優質的博客;
外交 = 優質的公共關係;
世界和平 = 優質的外交;