G.M. plans to sell or discontinue its Saturn, Saab and Pontiac lines. And it may sell its Hummer brand to a heavy equipment company in China.是什么意思_G.M. plans to sell or discontinue its Saturn, Saab and Pontiac lines. And it may sell its Hummer brand to a heavy equipment company in China.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句