北芪 的功效与作用广泛，自古至今 ，被誉为“中华药材之王”。它富含多样 有效成分，如皂苷、挥发油等，具有以下卓越的 功效： * 提高免疫力，可改善 消化能力 * 调理内分泌 ，可缓解 身体疲劳 * 消炎抗菌，可预防 感冒、咳嗽等症状 花旗參養生秘籍

Also, persons can discover and bookmark web pages which have not still been found or indexed by Internet spiders.[38] Furthermore, a social bookmarking process can rank a resource depending on how persistently it has been bookmarked by users, which may be a far more handy metric for end-users than techniques that rank sources based upon the number