摘要
As the Internet is deeply entwined(与……密切相关)in almost every aspect of modem life,it's difficult to avoid having some kind of presence online.The degree to which you leave traces of your online activities is referred to as your digital footprint-it's akin to the evidence you might leave behind after going camping,such as remnants(剩余物)of a campfire,your dinner scraps(碎屑),and the path you carved in the woods while hiking.
