n. 优势, 支配地位

[ noun ]
the state that exists when one person or group has power over another
<noun.state>
her apparent dominance of her husband was really her attempt to make him pay attention to her

Ascendency \As*cend"en*cy\, n.
Governing or controlling influence; the state that exists
when one person or group has power over another; domination;
power.
[1913 Webster + WordNet 1.5]

An undisputed ascendency. --Macaulay.

Custom has an ascendency over the understanding.
--Watts.

Syn: Control; authority; influence; sway; dominion;
prevalence; domination; dominance; ascendance;
ascendence.