Ms Merkel has known Poland's prime minister, Donald Tusk, for years.

默克尔女士与波兰外长多纳德·塔斯克(Donald Tusk)也相知多年。

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Poland's Prime Minister Donald Tusk says his country still remains loyal to the United States.

VOA: special.2009.09.19

Officials said Prime Minister Donald Tusk, who held an emergency meeting of his Cabinet, wept when hearing about the plane crash.

VOA: standard.2010.04.10

During Tuesday's commemoration, Polish Prime Minister Donald Tusk indirectly referred to the controversy with Russia and the German invasion.

VOA: standard.2009.09.01

Prime Minister Donald Tusk's government signed the Anti-Counterfeiting Trade Agreement in Tokyo on Thursday.

BBC: Thousands march in Poland over Acta internet treaty

He and Prime Minister Donald Tusk placed candles at the foot of the memorial.

BBC: Poland: Kaczynski holds rival Smolensk crash ceremony

If he ran this autumn, it would solve a problem for the prime minister, Donald Tusk.

ECONOMIST: Poland's strong economy