Bootstrap 4:导航栏品牌左侧，链接居中，其他链接右侧

<nav class="navbar navbar-expand-lg navbar-light bg-light">
  <a class="navbar-brand" href="#">品牌</a>
  <div class="collapse navbar-collapse" id="navbarNav">
    <ul class="navbar-nav mx-auto">
      <li class="nav-item">
        <a class="nav-link" href="#">链接1</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">链接2</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">链接3</a>
      </li>
    </ul>
    <ul class="navbar-nav ml-auto">
      <li class="nav-item">
        <a class="nav-link" href="#">其他链接1</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">其他链接2</a>
      </li>
    </ul>
  </div>
</nav>