All trilobites had three lengthwise lobes, but building off the same basic components, they varied greatly.

所有的三叶虫都有三块纵向叶，虽然都是由同样的基本元素组成，它们的变化非常多。

This means they also have a lot of potential for building different car components that are light and sturdy.

这就是说，它们还拥有许多潜力，例如建造各种汽车零件，使其更加轻便耐用。