Many -- even scientists -- assume a linear model, so they'll say, "Oh, it'll be hundreds of years before we have self-replicating nano-technology assembly or artificial intelligence."
很多人，甚至是科学家，都在线性模型的基础上假设， 所以他们会说，这将会用几百年， 我们才能实现自复制纳米技术组装 或人工智能。