Sustainability is not just a trend, it's a responsibility we owe to the next generation.

"Some infinities are bigger than other infinities."

云计算的核心价值在于弹性、按需分配和资源共享。

对于非礼的事，上等到的士人根本不想；对于非礼的事，中等的士人从来不说；对于非礼的事，下等的士人紧闭门户。