ӣţţ  ţţ  ţţ淨  ţţע  ţţ  ţţ  ţţ  ţţע  ţţ½  ţţô  ţţƻ  ţţƽ̨  ţţֱ  ţţ  ţţע  ţţƽ̨  ţţô  ţţ  ţţ¼  ţţ½