ӣţţ  ţţ淨  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţƻƽ̨  ţţ  ţţ  ţţ  ţţ  ţţƭ  ţţƽ̨  ţţ  ţţ  ţţ  ţţ  ţţ½