Woman:"They serve the purpose of changing hydrogen into breathable oxygen.And they’re as necessary here as the air is,on Earth.” Man:"But I still say,they're flowers". Woman:"If you like..." Man:"Do you sell them?" Woman:"I afraid not." Man:"But,maybe we could make a deal?" 女:它们提供可以呼吸的氧气.在地球上,它们和空气一样重要. 男:但我任要说-它们是花. 女:随你 男:你会卖它们吗? 女:不. 男:也许我们可以做一笔交易.