The chief problem Ze-Gen and other firms with whizz-bang waste technologies face, says Mr Davis, is raising money to build full-scale plants.是什么意思_The chief problem Ze-Gen and other firms with whizz-bang waste technologies face, says Mr Davis, is raising money to build full-scale plants.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句