Investing in renewable energy and cleaner technologies is part of our commitment to a sustainable future.

经济景观是城市及其互补区域的系统。

在DNA的长河中，我们都是时间旅行者。

The most enduring changes come from understanding the root causes of problems, not just their symptoms.

数学的真正力量在于它能够揭示支配宇宙的隐藏模式和结构。