espouser

And then there was the espouser of doom himself: Roubini was known to be a perpetual pessimist, what economists call a “permabear.

而且洛比尼自身就是一位末日论的鼓吹者，人们都知道他是一位永恒的悲观主义者，他是那种被经济学家称为“永恒的熊市主义者（permabear）”的典范。