If you're not failing every now and again, it's a sign you're not doing anything very innovative.
无产阶级运动是广大多数人的自觉、独立的运动,是为了广大多数人的利益。
The future of forestry lies in sustainable practices that balance economic growth with environmental stewardship.
科学的每一次伟大进步都源于新的想象的大胆。