A roar of approval resounded through the Ukrainian parliament.一片赞成声在乌克兰议会中回响。To import from Russia, a Ukrainian firm needs Russian roubles.要从俄罗斯进口商品，乌克兰公司就需要俄罗斯卢布。The Ukrainian politician poses the most potent threat to the country's ruling elite.这位乌克兰政治家对本国的上层统治者构成了最强有力的威胁。