Sustainability isn't an option; it's a necessity for the energy sector.
可持续性不是一种选择;它是能源行业的必需品。
There is nothing more deceptive than an obvious fact.
The most effective way to promote democracy is not through military intervention but through the slow and steady process of building institutions and promoting economic development.
发现的旅程充满了不确定性,但正是这些不确定性使科学如此令人兴奋。
I don’t count my sit-ups, I only start counting when it starts hurting.