ӣţţ  ţţ  ţţ  ţţ  ţţ  ţţͼ  ţţ  ţţƭ  ţţƻ  ţţ  ţţ½  ţţ  ţţô  ţţ  ţţ  ţţ  ţţƭ  ţţƽ̨  ţţ  ţţ