Gold-backed Exchange Traded Funds, tracker funds that follow the underlying price, have accumulated 429 tonnes of gold, worth $18bn at current prices.是什么意思_Gold-backed Exchange Traded Funds, tracker funds that follow the underlying price, have accumulated 429 tonnes of gold, worth $18bn at current prices.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句