你看，第一批被称作“可视电话”的设备是日本制造的，但它们只能显示静止的黑白图像，所以这款可视电话要比那款好得多。
You see, the first "videophones"—that's what they're called—were made in Japan, but they can only show a still black and white image, so this videophone is much better than that.
有12%的可视者的梦完全是黑白的。
A full 12% of sighted people dream exclusively in black and white.
它们可以可视化地表示为10乘10的黑白方块矩阵。
Visually, they can be represented as ten-by-ten matrices of black and white squares.
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