She was very anxious to get away from cities and back to nature.她特别渴望离开城市，回归自然。The best way to keep babies off sugar is to go back to the natural diet and eat lots of fresh fruit.避免婴儿摄入食糖的最好办法是让其回归自然的饮食，多吃新鲜水果。They went on a camping trip to get back to nature.他们进行了一次回归自然的野营旅行。