私下批评，公开表扬。
The future of coal depends on our ability to innovate and reduce its environmental impact.
我们几乎无法避免这样的推论：光是由同一种介质的横向波动组成的，这种介质也是电和磁现象的原因。
The health of our oceans is a mirror reflecting the health of our global economy.
Business is about people, and understanding people is the key to success.
畜牧业的未来在于平衡生产力与道德责任。