translation.en: And so a punch card can hold about 80 characters, and you can fit about 2,000 or so cards into a box, and you put them in, say, my home region of New England, it would cover the entire region up to a depth of a little less than five kilometers, which is about three times deeper than the glaciers during the last ice age about 20,000 years ago.
translation.zh: 一个打孔卡大约能写下 80个字母 一个盒子大约可以装下2000张卡片 然后你把它们放到 比如 我的家乡新英格兰 大概会以将近 5千米的深度覆盖整个地区 这大约是上一个冰河时期 冰川厚度的三倍 那大约是两万年前