# 市场周期

Market cycles are like "weather": a bull market is like a thunderstorm, everyone shouting "Go for it"; a bear market is like a cold snap, some shouting "Run away." But PI's ecosystem development is like "building a 30-story building"—during a storm, while others panic and seek shelter, you're laying the foundation, constructing load-bearing walls, and installing water and electrical pipelines (corresponding to PI's: developer ecosystem = foundation, DApp implementation = load-bearing walls, community consensus = water and electrical network, cross-chain collaboration = elevator system). When t