That means the world no longer has to worry.
主语：that
谓语：meams 单三形式
谓语后面接一个 宾语从句引导词是that可以省略,本句省略了.
宾语从句的主语the world .谓语动词 worry ;has to 相当于情态动词修饰worry .no longer 可以看成副词短语做状语