translation.en: And the thing about the invention of sliced bread is this -- that for the first 15 years after sliced bread was available no one bought it; no one knew about it; it was a complete and total failure.
translation.zh: 事实上关于切片面包这项发明当初是这样一个情况—— 最初15年里在人们可以得到它的情况下 没有人购买，没有人知道。它是一个彻头彻尾失败的发明。