He built this machine, and we had a beautiful demonstration of how this thing really works, with these little bits. And it's an idea that goes way back.
他造了这台机器， 可以很好的演示这台带比特位的机器是如何运行的， 这个想法可以追溯到1651年的托马斯·霍布斯，他首先阐述了这个想法。