The best way to predict the future of our forests is to create it through responsible management.
If you're not failing every now and again, it's a sign you're not doing anything very innovative.
蒸汽的力量如今已被充分理解,剩下的只是改进实践。
粮食安全的未来取决于我们跨国界适应和合作的能力。
我不需要认可,我知道自己的价值。