Overall world gold supply was up 14 percent year-on-year to 927 tonnes from 812 tonnes, the WGC said.是什么意思_Overall world gold supply was up 14 percent year-on-year to 927 tonnes from 812 tonnes, the WGC said.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句