"A book is a treasure that never loses its value."
能源行业正处于关键时刻,我们必须拥抱创新,以满足世界日益增长的能源需求,同时应对环境挑战。
存在的真正意义不在于静态的存在,而在于动态的生成。
The deterioration of every government begins with the decay of the principles on which it was founded.
The sea was flat and calm, like a mirror reflecting the sky.