雷军：造车造芯还养孩子，压力巨大

Group 1 - The core viewpoint of the article is that Xiaomi's Chairman and CEO Lei Jun has made a significant decision to simultaneously pursue car manufacturing and restart chip production, investing heavily in these ventures [3][4]. - Lei Jun expressed the immense pressure of this decision, likening it to supporting two children in college, indicating the high stakes involved [4]. - The article mentions that Lei Jun will host an annual speech on September 25, focusing on the theme of "Change," where he will reveal stories behind Xiaomi's new chip and car initiatives [6].