翻译:既了解敌人,又了解自己,每次作战都不会有危险。
The only performance standard is 'Zero Defects'.
The ground for taking ignorance to be restrictive of freedom is that it causes people to make choices they would not have made had they seen what their choices involved.
User experience outweighs commercial interests.
Words and deeds are not separate, but intimately connected.