ӣţţ¼  ţţ淨  ţţ  ţţô  ţţ  ţţ½  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ淨  ţţ  ţţ  ţţƻƽ̨  ţţô  ţţ淨  ţţ½  ţţ¼  ţţ  ţţ淨  ţţֱ  ţţô  ţţ  ţţ  ţţƽ̨  ţţ  ţţֱ  ţţע