A complex set of factors is causing global demand for food to outstrip supply, and experts warn that, absent swift action, the situation may get even worse.是什么意思_A complex set of factors is causing global demand for food to outstrip supply, and experts warn that, absent swift action, the situation may get even worse.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句