可这位柏林洪堡德大学的教授不得不完成这个任务。
The Humboldt University of Berlin professor has had to organize the program.
7月24日，星期四，巴拉克·奥巴马为其在柏林的特别出场设立了一项困难的任务。
BARACK OBAMA set himself a difficult task for his extraordinary appearance in Berlin on Thursday July 24th.
1948年月12月，柏林：德国城市在二战后成为了一片废墟，男丁数目减少，清理废墟的任务就落到了女人们头上。
Berlin, December 1948: With German cities in ruins after World War II and the country's male population decimated, it fell to the women to clean up the rubble.
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