<mydata>
   <usage>
      <en>bound for home</en>
   </usage>
</mydata>

import flash.net.URLLoader;
import flash.net.URLRequest;

var loader:URLLoader = new URLLoader();
loader.addEventListener(Event.COMPLETE, onLoaded);
var urlReq:URLRequest = new URLRequest("sample.xml");
loader.load(urlReq);

var inText:Array = new Array();

function onLoaded(eventObj:Event):void{
	
	var xmlObj:XML = new XML(loader.data);
	var txtList:XMLList = xmlObj.usage.en;
	
	inText[0] = txtList[0];
	
}

ti_txt.text = inText[0];

<span style="color:#0000FF;">bound</span> for home

<font color ="color:#ffffff">bound</font> for home