Lucy:"They serve the purpose of changing hydrogen into breathable oxygen,

and they’re as necessary here as the air is, on Earth.” 　　

Ray:"But I still say…they’re flowers.” 　　

Lucy:"If you like." 　　

Ray:"Do you sell them?" 　　

Lucy:"I’m afraid not." 　　

Ray:"But, maybe we could make a deal."

Lucy:“它们把氢气转化为可供呼吸的氧气，它们像地球上的空气一样重要呢。” 　
　

Ray:“但是，我还是想说……它们只是花呀。” 　　

Lucy:“如果你一定要这么认为的话……” 　　

Ray:“那你卖不卖呢？” 　　

Lucy:“恐怕不行。” 　　

Ray:“可是，也许我们可以做个交易! "