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抽象是管理大型软件系统复杂性的关键。
Abstraction is the key to managing complexity in large software systems.
Sustainability isn't an option; it's a responsibility we all share.
我只知道,我画画是因为我需要,我画任何经过我脑海的东西,不考虑其他。
The world only exists in your eyes. You can make it as big or as small as you want.
The future belongs to those who understand how to harness technology for positive change.