@QuantVol This is bordering on metaphysical. 'Income' is generally (maybe always) in compensation for something.
It's not economic profit, that's true. There is an offsetting contingent liability.
@“这几乎是形而上学。”“收入”通常（可能总是）是对某事的补偿。
这不是经济利润，这是真的。存在抵消或有负债。