ӣţţƭ  ţţô  ţţ½  ţţע  ţţ  ţţô  ţţ淨  ţţ  ţţ  ţţ  ţţƻ  ţţ  ţţ  ţţƭ  ţţ  ţţ  ţţ  ţţ  ţţ¼  ţţƽ̨