ӣţţ  ţţ  ţţ  ţţ  ţţ淨  ţţ½  ţţ  ţţ¼  ţţ  ţţ  ţţͼ  ţţ  ţţ  ţţƻƽ̨  ţţע  ţţ½  ţţƻ  ţţ  ţţ  ţţ