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1·If the power shortage or business, best can register a self-employed, can make out an invoice to revenue.

如果实力不足或生意不多，最好注册个个体户就可以了，开票可以到税务局开。

2·Otherwise wants carry forward cost, affirm income, still do not do temporarily when can make out an invoice redo?

要不要结转成本，确认 收入，还是 暂时不做等到可以开票了再做？