Foreign exchange is the creditor's rights held by the monetary authorities in the form of bank deposits, treasury bonds and long-term and short-term government securities. , which can be used when the balance of payments is in deficit. You can use the MT4 mobile app software to speculate in foreign exchange. The interface of the MT4 mobile app is relatively simple and investors can use it well. \x0d\ For more information about mobile phone foreign exchange software, please visit:/ask/cefcc81615822376.html? Zd view more content