求翻译：目前，美国国债的上限是14万亿美元，已经超过美国GDP的90%。如果8月2日美国国会不能通过提高债务上限的法案，不能通过借新钱来还旧账的美国势必面临国债违约的风险。是什么意思？

Currently, the U.S. debt limit is 14 trillion dollars, more than 90% of U.S. GDP. If the U.S. Congress on August 2 by raising the debt ceiling is not a bill, can not be accounted for by new money for old debt of the United States are bound to face the risk of default.

At present, the United States Treasury bonds, the ceiling is $14,000,000,000,000 GDP has exceeded that of the United States of 90 per cent. If the US Congress on 2 August the debt ceiling increase cannot be passed through to take on new money bills, not to the United States will inevitably face acco

At present, the American national debt upper limit is 14,000,000,000,000 US dollars, already surpassed American GDP 90%.If on August 2 the United States Congress will not be able through to enhance the debt upper limit the bill, will not be able through to borrow the new money to come also old debt

At present, the United States national debt ceiling is $ 14 trillion, there are more than United States GDP of 90%. If August 2 United States Congress not by increasing the debt ceiling Bill, not possible to borrow new money to litigable cases of United States is bound to bond default risk.