404. That’s an error.

The requested URL /translate_c?act=url&depth=1&hl=fr&ie=UTF8&prev=_t&rurl=translate.google.com&sl=fr&tl=en&u=http://books.google.com/books%3Fid%3DowPfginLG1sC%26pg%3DPA48%26dq%3D100%2Bmilliard%2Bneurones%26hl%3Dfr%26ei%3DS-TrTOGkJcG3hAfT6Z3NDA%26sa%3DX%26oi%3Dbook_result%26ct%3Dresult%26resnum%3D5%26ved%3D0CDsQ6AEwBA&usg=ALkJrhipvoEFnMi5WOnr-ZDjVmPG83kX5w was not found on this server. That’s all we know.