但经济学基本主张认为，当个体可以自由地参与交易时，经济蛋糕的规模就会扩大，大到赢家在理论上可以补偿输家，让所有人的境况都得到改善。
But a fundamental proposition in economics holds that when individuals are free to engage in trade, the size of the economic pie increases enough that the winners could, in theory, compensate the losers, leaving everyone better off.