The depreciation of the US dollar, that is, the appreciation of RMB-the reduction of the amount of dollars converted into RMB by commodity exporting units-the reduction of corporate profits-the reduction of export enthusiasm or profits of export enterprises or the closure of export enterprises-the reduction of exports-the development of balance of payments in the direction of deficit-the increase of foreign exchange reserves that need to make up for the balance of payments deficit-the reduction of foreign exchange reserves.