ӣţţ  ţţ淨  ţţ  ţţƭ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţͼ  ţţƻ  ţţƻ  ţţ  ţţ  ţţ  ţţô  ţţ  ţţô  ţţ½  ţţͼ