30岁的职场精英们，你是否感觉到了事业的瓶颈？这本书会给你一个解答，让你突破瓶颈，开辟事业的新篇章！-Elite 30-year-old career, do you feel the cause of the bottleneck? This book will give you an answer, so you break through the bottleneck and open up a new chapter!