It's probably more accurate to say, "n this world nothing can be said to be certain, except death, taxes, and crashes."
这样说可能更准确，“除了死亡、税收和系统崩溃之外，这个世界上没有什么是必然的。”
2
We learn nothing from examining what is going on down here in n equals one shell.
必须仔细检查不然我们学不到什么的,这里n=1的壳。
3
Nothing is available to fill a void for many children; no good music for them to enjoy before they become rebellious and angry and turn to rock 'n' roll.