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