找到你擅长的领域，不断提升自己的技能水平，才能让你收入来源更加多样。Only by finding the areas you are good at and constantly improving your skills can you make your income sources more diverse.怎样才能实现睡后收入？一开源节流，二优化自己的收入结构How to realize the income after sleeping? One is to open up resources and reduce expenditure, the other is to optimize the income structure
