I’ll never forget the book. […] The book was a huge compilation of all around interesting stuff. Weird Apple II tricks that were pointless, but endlessly fascinating. Like the fact that there were extra offscreen pixels of lo-res graphics memory that you could write to, that never got displayed. Or how to put “impossible” inverted or flashing characters into your disk directory listing. Or how to modify system error messages. Not very useful, but really fun to know and really, really cool to mess with. My dad was convinced I was going to somehow break the computer with all this hacking, but a simple reboot always fixed everything.
There's also existing offshore infrastructure and technical know-how. That's one reason his firm is among the first-movers, says Gade.
，更多细节参见夫子
更值得关注的是技术迭代风险。机器人更新换代速度较快，新款产品一旦性能更好、价格更低，旧设备的租赁吸引力会迅速下降。设备折旧不仅来自物理损耗，更来自技术代差。
Cancer screening