第一次世界大战是帝国主义列强之间争夺市场、资源和领土的冲突，而第二次世界大战却比第一次复杂。（表原因）

World war II was, however, more complex than World War I, which was a collision among the imperialist powers over the spoils of markets, resources and territories.

youdao

第一次世界大战是帝国主义列强之间争夺市场、资源和领土的冲突，而第二次世界大战却比第一次复杂。（表原因）

World war II was, however, more complex than World War I, which was a collision among the imperialist powers over the spoils of markets, resources and territories.

youdao