回复：*=*=* 《每日一句汉译英》*=*=*

当你注册Facebook时，它会自动将名为“小甜饼”的文件存到你的电脑上，这一文件将监视你的网页浏览历史。

When you sign up, Facebook saves automatically to your computer a file called "cookie", which can be used to monitor your browsing history/keep track of every page you visit.