云计算让算力像水电一样普及，但管理难度更大。
Language is not just a system of symbols， but a set of practices with social and cultural significance.
蒸汽的力量如今已被充分理解，剩下的只是改进实践。
The oil and gas industry has a critical role to play in the global energy mix during the transition period.
The first step is to establish that something is possible; then probability will occur.
"A good picture book is a silent conversation between the artist and the child."