Bootstrap list-inline沒有用

Question

1.Bootstrap裡面用了list-inline但一樣顯示一列想請教高手指導(困擾了很久)..不知道是不是少打了什麼2.<div class="bottom">        <div class="container clearfix">             <div class="copyright float-left">                 Lorem ipsum dolor sit amet, consectetur adipisicing elit.            </div>             <div class="float-right">                 <ul class="list-inline">                     <li>                         <a href="#">f</a>                     </li>                     <li>                         <a href="#">t</a>                     </li>                     <li>                         <a href="#">g</a>                     </li>                     <li>                         <a href="#">b</a>                     </li>                     <li>                         <a href="#">c</a>                     </li>                 </ul>             </div>         </div>     </div></div>3.以下是我的code打出來後的樣子最右下角的地方還是呈現一列...4.想說用float:left但好像也沒用..求解