石油的真正成本不仅仅是每桶的价格，还包括环境和社会影响。

The real power of cloud computing lies in its ability to empower businesses to focus on their core competencies.

The novel is a way of thinking, not just a way of telling a story.

无人机的应用将无处不在。

人的心智是如此构造，以至于能够对事件的概率形成判断。