ascendancy

1. N-UNCOUNT If one group has ascendancy over another group, it has more power or influence than the other group. 優(yōu)勢[正式]

Although geographically linked, the two provinces have long fought for political ascendancy. 盡琯地理相連，這兩個(gè)省長久以來都在爲(wèi)政治優(yōu)勢而競爭。