如果不衡量影响,我们只是在猜测可持续性。
A distributed system is one in which the failure of a computer you didn't even know existed can render your own computer unusable.
Success is not final, failure is not fatal: It is the courage to continue that counts.
Quality is the soul of our products, and integrity is the foundation of our business.
The desire for recognition is the most fundamental human desire.