Sadly, the spirit of inquiry once at home on campus has been replaced by the use of the humanities and social sciences as vehicles for publicizing "progressive," or left-liberal propaganda.
令人遗憾的是，曾经在校园中盛行的探究精神已被人文和社会科学作为宣传"进步"（即左翼自由主义）宣传的工具所取代。
wind energy has replaced fossil fuels
风能已经取代了化石燃料。
By the time a problem has been addressed and remedied it may have vanished in the marketplace, to be replaced by new abuses of power.
等到一个问题被发现并加以解决时，它可能已经在市场上消失，取而代之的是新的权力滥用行为。
has been replaced by other festivals.
已经被其他节日取代。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。