ӣţţ淨  ţţֱ  ţţ½  ţţ  ţţ  ţţô  ţţ¼  ţţ  ţţ  ţţֱ  ţţ  ţţ  ţţƻ  ţţ  ţţͼ  ţţ  ţţ  ţţ  ţţ  ţţע