美联储目前并未预测经济衰退。

We must balance short-term energy needs with long-term environmental goals.

under it, there is no limit to the power it can generate.

Natural experiments can provide valuable insights into economic questions.

晏子春秋

The road of excess leads to the palace of wisdom.

Justice delayed is justice denied.

自然和历史是地理知识的两个重要来源。