重点讲解：
1. set the stage for 为…做准备；为…铺平了道路；
That may set the stage for humanitarian disaster.
这也许会成为人道主义灾难的序幕#y5BSth,4h@*。
2. go back to 回到（过去）；回顾；
If you go back to 1960, you'll find that very few jobs were being created.
如果回到1960年，你会发现工作机会寥寥无几Bwh!X|ePTNsG#4J。
3. go down in history 载入史册；青史留名；创造历史；
The teacher said that the day the war ended would go down in history.
老师说战争结束的这天将载入史册C!-]&wJfNHj。
4. work to your advantage 对…有利；转而有利于；
Eventually, the new regulations will work to our advantage.
新规章制度最终将对我们有利q7t@DLJgIY^isdYchon。