解释：骄纵、奢侈、荒淫、放荡，这是走上邪路的开始。

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

采矿技术的创新不仅仅是效率问题，还关乎安全和可持续性。

The best part of being in a group is having brothers to share everything with.

最大的性能改进是当系统从不能工作到能工作的时候。

我们必须倾听并与当地社区互动，了解他们的需求和关切。