ӣţţô  ţţͼ  ţţ  ţţ½  ţţע  ţţͼ  ţţô  ţţ  ţţ  ţţ  ţţ¼  ţţƭ  ţţע  ţţ  ţţֱ  ţţ  ţţ  ţţ¼  ţţ  ţţ淨