Certification standards are the compass for responsible forestry.
The true genius shudders at incompleteness - and usually prefers silence to saying something which is not everything it could be.
The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.
量子计算的未来将取决于我们高精度控制和操纵量子系统的能力。
"A book is a treasure that never loses its value."