1. The advocator of renewable energy believes in the potential of solar and wind power.
对可再生能源的拥护者来说，他们相信太阳能和风能具有巨大的潜力。
2. As an advocator for animal rights, she actively participates in campaigns against animal cruelty.
作为动物权益的拥护者，她积极参与反对虐待动物的活动。