过度捕捞是一个可以解决的问题,但它需要全球的承诺和地方的行动。
Overfishing is a solvable problem, but it requires global commitment and local action.
科学问题有意识的解决给我们提出的最直接且在某种意义上最重要的问题,是对结果的准确阐述。
Climate change is the greatest threat to global forests, but also our greatest opportunity for innovation.
The state is the most important institution in human society, and its strength or weakness is the key determinant of a society's success or failure.