新的大国的崛起总是引起现有大国的担忧，因为它威胁到现有的权力平衡。
The rise of a new great power is always a cause for concern among existing powers, as it threatens the existing balance of power.
The path to net-zero emissions will require unprecedented cooperation across all sectors.
He has not learned the first lesson of life who does not every day surmount a fear.
20多岁时，人格的变化比人生中任何其他时期都要大。
不是锤的敲打，乃是水的载歌载舞，使鹅卵石臻於完美。
The beauty of mathematics only shows itself to more patient followers.
The road to the heart is the ear.