translation.en: And in the future, you would not only have 14 billion light bulbs, you may have 14 billion Li-Fis deployed worldwide -- for a cleaner, a greener, and even a brighter future.
translation.zh: 四个关键的问题． 在将来， 我们不仅仅是有只一百四十万个灯泡， 而是有一百四十万个Li Fi. 遍布全球 创建一个更干净 更绿色，更光明的未来．