Lai

Lai, in a general context, can refer to a surname common in Chinese cultures or a term used in various fields such as statistics or finance, depending on the context. If you mean Lai as a surname, it is simply a family name passed down through generations. In other contexts like mathematics or finance, Lai might refer to specific models, algorithms, or measures developed by researchers or practitioners. Could you specify the context for "Lai" so I can provide a more precise explanation?