ӣţţƭ  ţţ淨  ţţע  ţţ  ţţ  ţţע  ţţͼ  ţţ¼  ţţ  ţţƻ  ţţ½  ţţ¼  ţţ淨  ţţ  ţţ½  ţţƽ̨  ţţֱ  ţţͼ  ţţ  ţţ