1. Necessitarians argue that everything that happens in the world is predetermined by causality.
决定论者认为世界上发生的一切都是由因果关系所决定的。

2. Some philosophers reject the idea of free will and adhere to a necessitarian view of actions.
一些哲学家拒绝自由意志的概念，坚持必然主义的观点来解释人的行动。