物理学的美丽在于它能够用简单的原理解释复杂的事物。
The beauty of physics lies in its ability to explain the complex with simple principles.
没有对人类的热爱，英雄又是什么？
Technology in forestry has evolved from chainsaws to satellites, but our responsibility remains the same.
Innovation in forestry isn't optional; it's essential for survival.
追求权力是所有大国的主要目标，这种追求常常导致冲突。