在接收终端，分离出不同颜色的光的传统方法在这里是行不通的。
At the receiving end, traditional methods to separate the different colours will not work.
视网膜是眼睛的“运作终端”，膜上的神经细胞将进入眼球的光转化为电信号和化学信号，然后经过视觉神经传输给大脑。
The retina is the "business end" of the eye, where nerve cells convert light into electrical and chemical signals that are sent to the brain down the optic nerve.
在接收终端，另外一组激光震动器接收这些光信号，进行的是相反的过程。
At the receiving end, another set of laser oscillators can be used to pick up these light signals, reversing the process.
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