云计算让算力像水电一样普及，但管理难度更大。
Cloud computing makes computing power as accessible as water and electricity, but harder to manage.
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
Failure is just a stepping stone to success.