Recently, Lei Jun's latest photo contrasts sharply with his public activity photos three months ago, triggering widespread social discussion.。Many netizens have said after reading, Lei Jun in order to build a car painstaking efforts, blocking the reputation of the last business, obviously much older, building a car is not easy and line and cherish。Building a car is a new challenge for Lei Jun and Xiaomi。The impending launch of the Xiaomi SU7 gives him great pressure。The inner volume of the market, the price war and the continuous updating of technology are testing the wisdom and patience of Xiaomi and Lei Jun.。