一战起源核心是对战争原因的解释探讨战争的历史责任形成过程结合国际关系等
The core of the origin of World War I lies in the explanation of the causes of the war, the exploration of the historical responsibility of the war, the formation process, and the combination of international relations, etc
以上为机器翻译结果，长、整句建议使用 人工翻译 。