求翻译：他们梦想着能够拥有一台自己的计算机，可是当时市面上卖的都是商用的，且体积庞大，极其昂贵，于是他们准备自己开发。制造个人电脑必需就是微处理器，可是当时的8080芯片零售价要270美元，并且不出售给个人。是什么意思？

They dream to have a own computer, but when the market sells are commercial and bulky, very expensive, so they prepare their own development. Personal computer microprocessor manufacturing is necessary, but 8080 was the retail price to $ 270 chip, and not sold to individuals.

They dream of their own to be able to own a computer, but at the time of their sale on the market are commercial in nature, and huge in size, is extremely expensive, and they prepare their own development. Personal computers is necessary at that time, but the 8080 microprocessor chip retail price to

They were vainly hoping for can have an own computer, but at that time in the market condition sold all was commercial, also the volume was huge, extremely expensive, therefore they prepared oneself to develop.Makes the personal computing essentially is the microprocessor, but the 8080 chip retail p

They dream of to have a computer of my own, but then sold on the market are commercial, and bulky, expensive, so they decide to develop their own. Manufacturing personal computers necessary is the microprocessor, but 8,080 chip retail price to $ 270, and does not sell to individuals.

They are dreaming of having a own computer, but the one that sold on the market at that time was all commercial, and bulky, extremely expensive, then they prepare one's own development. Making the PC is must be a microprocessor, but 8080 chip retail prices at that time cost 270 dollars, and does not