ӣţţ  ţţô  ţţ淨  ţţͼ  ţţ  ţţ¼  ţţ  ţţע  ţţƭ  ţţ½  ţţֱ  ţţô  ţţ½  ţţ  ţţ  ţţƽ̨  ţţ  ţţ淨  ţţ  ţţ