永久磁铁

例句：

1. 1. The company's commitment to sustainability is a permanentfixture in its operations.
   该公司对可持续性的承诺是其运营中不可动摇的一部分。
2. 2.The decision to invest in renewable energy wasa permanent shift in our business strategy.
   决定投资可再生能源是我们商业战略中一个永久性的转变。
3. 3. The legacy of the old factory willcontinue to be felt in the community formany years to come.
   旧工厂的遗产将继续在社区中持续存在多年。