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Incumbents tend to win presidential elections , but second-term presidents tend to be disappointing .

现任总统往往更容易赢得选举，但连任后通常表现欠佳。

But this year conservatives were feeling particularly furious with the establishment and with incumbents .

但今年，保守派们对体制和现任者的反对尤其激烈。

Incumbents survived as natural monopolies because they did not exercise their market power .

现有证交所作为自然垄断行业存活下来，是因为它们没有行使其市场权力。

Over the next 10 years , the battles between incumbents and software-powered insurgents will be epic .

在未来十年，现有行业巨头和软件驱动的颠覆者之间将爆发史诗般的战争。

Now those newcomers are washington incumbents themselves .

如今这些新人们也成了华盛顿的在任者。