="use-word-service"
        data-l10n-id="pref-audio-showPlayBtn"
        native="true"
        preference="__prefsPrefix__.showPlayBtn"
      />
      <checkbox
        data-l10n-id="pref-audio-autoPlay"
        class="use-word-service show-play-btn"
        style="padding-left: 18px"
        native="true"
        preference="__prefsPrefix__.autoPlay"
      />
    </vbox>
  </groupbox>
  <groupbox>
    <label><html:h2 data-l10n-id="pref-service"></html:h2></label>
    <hbox align="center">
      <label dat