In 1962, there was only one TV channel in Sweden, and it broadcast in black and white.
1962年,瑞典当时只有一个电视频道,而且是以黑白色率播出节目。
2
In 1962 there was only one TV channel in Sweden, and it broadcast in black and white.
1962年,瑞典当时只有一个电视频道,而且是以黑白色率播出节目。
3
With the cash from his mother, he bought a couple of plastic molding machines and started making channel-changing knobs for black-and-white televisions.