And so when you see on the market these systems that have just a few light emitting diodes on the side and are very low resolution, it's nice that they exist because it still is better than nothing.
并且你在市场上看到这些系统的时候, 他们只有一小部分发光二极管, 解析度相当低 -- 它们的存在至少比什么都没有要好.