# 生态健康

The PI ecosystem is like an “orchard”: developers are fruit growers (planting fruit trees, pruning branches and trimming leaves), DApps are the fruits (only by solving users’ pain points do they have value), the community is the soil (the more tightly aligned the consensus is, the more fertile the soil becomes), and cross-chain is the irrigation system (making water flow between different orchards so resources can be shared). The token price is the “price of the fruit”—but whether the fruit is sweet or not first depends on whether the fruit tree’s roots are planted deep enough (ecosystem healt