中国的崛起是21世纪最重要的地缘政治事件。
The rise of China is the most significant geopolitical event of the 21st century.
The trick is to pay attention to what's happening around you and to keep writing.
The true value of a forest cannot be measured in board feet alone.
理论与实验之间的合作对于物理学的进步至关重要。