反之，你可能只有 15 双鞋，而你在穿每一双鞋的时候再也不用去想， 搞什么鬼，为什么我会有三双颜色不同样式相同的鞋？
You may have only 15, and you use every single pair instead of thinking: Why the heck do I have 3 pairs of the same shoe in different colours?
相反之物不相同因同样的理由它们相同。
Opposites are not the same for the same reason they are the same.
反之，如果以相同数量的LED来设计标志，则可大幅提升亮度，改善易读性和对比效果。
Alternatively, signs can be designed with the same number of LEDs, providing substantially higher brightness levels for better readability and contrast.
应用推荐