(The ashes expert of the through train——Brother Tao, Brother Long's second brother, and Amoeba's partner. Engaged in e-commerce operations for 12 years, has operated more than 40 categories, incubated companion stores, and has 1000+ sales links. This is no ordinary online course. The Core Principles of PPC ↓" teaches you how to play the through-train game with low investment and high return, from learning knowledge to practical operation.)