We don’t start with models. We start with data. We don’t have any preconceived notions. We look for things that can be replicated thousands of times. A trouble with convergence trading is that you don’t have a time scale. You say that eventually things will come together.Well， when is eventually？

我们都会死，这让我们成为幸运的人。大多数人永远不会死，因为他们永远不会出生。