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