Revenue = the money inflow.. that is the money you receive. In manufacturing kind of firms, it use Sales, but if providing services, it call Revenue

Income = The money you generate from Revenue minus Cost.   it's from normal business operation.

Earning = similar to Income.. but earning mean unusual gain which apart from normal business operation. For example you have an asset and you sell your asset at a premium price, you make an earning.

Accrual = mean the transaction was recognize and record but not yet paying or receiving cash.  For example: You sell your product in credit, you recognize AR which is an accrual accounting.

太感谢了，这么精彩的答案！

Revenue = the money inflow.. that is the money you receive. In manufacturing kind of firms, it use Sales, but if providing services, it call Revenue

Income = The money you generate from Revenue minus Cost.   it's from normal business operation.

Earning = similar to Income.. but earning mean unusual gain which apart from normal business operation. For example you have an asset and you sell your asset at a premium price, you make an earning.

Accrual = mean the transaction was recognize and record but not yet paying or receiving cash.  For example: You sell your product in credit, you recognize AR which is an accrual accounting