(compare this to a mechanical artifact of overwhelming complexity such as the space shuttle, which has 250,000 parts, only a small percentage of which are moving parts)

• （可以把这些软件和类似于航天飞机这样的极为复杂的机械物品相比较，航天飞机有25万个部件，不过其中只有一小部分是能够活动的）