A well-known company recruits senior management talents from the society. During the interview, there is a test question: "Please write the biggest secret of your original unit and what value is it to our company?" It was a person who submitted a blank question to this question. Someone asked why, and the boss replied: "Such people are trustworthy. ". What does it mean that a candidate turned in a blank paper and was hired? What is the most correct understanding? ['Doing nothing smart is better than doing stupidly.', 'Surprisingly winning with innovation.', 'Make a difference by performing differently.', 'Personality is an important factor for success.']