事实证明，中俄经济合作的内生动力十分强劲。
Facts have proved that China-Russia economic cooperation enjoys strong endogenous dynamics.
问题在于，青睐大排量、动力强劲的汽车是美国司机的一个传统。
Problem is, American motorists have a long-standing love affair with large, powerful vehicles.
二是中欧合作的互利性提供了强劲动力。
Second, mutual benefit provides a strong driving force for the China-EU economic and trade cooperation.
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