如果考虑这个事件的历史背景，我们就能理解事件为何发生。
If we see the event in its historical context background, we'11 be able to understand why it occurred.
如果考虑这个事件的历史背景，我们就能理解事件为何发生。
If we see the event in its historical context background, we'11 be able to understand why it occurred.
