движущая сила экономики(The Port is "the" most important economic driver in this province; it makes money every time a ship comes into port to load or unload or when a vessel is in for repairs. -- важнейшая движущая сила экономики нашей провинцииcbc.caART Vancouver)
главный источник(Mounting evidence suggests the prime driver of wage inequality is the growing gap between the most- and least-profitable companies, not the gap between the highest- and lowest-paid workers within each company.A.Rezvov)
