This is not a cool workplace counterattack article, it is more like a "real workplace" survival guide. Li Zhou, a 45-year-old low-level employee, only relied on his "knowledge" gained through 20 years of hard work. He started from greetings at the donkey meat barbecue restaurant and stood in front of the floor-to-ceiling window of the president's office step by step. In this span of five years, there are hidden truths that every professional who wants to break through the bottleneck should understand.