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