The ratio of the circumference of any circle to its diameter is less than 3 1/7 but greater than 3 10/71.
任何圆的周长与其直径的比率小于3 1/7但大于3 10/71。
The purpose of literature is to turn blood into ink.
"Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful."
The growth of an enterprise is essentially the growth of the entrepreneur.
Risk management is not avoiding risks but understanding and mitigating them.