ӣţţƽ̨  ţţ淨  ţţƭ  ţţ  ţţƻ  ţţ  ţţ  ţţ  ţţ  ţţô  ţţ½  ţţ  ţţƻ  ţţ  ţţ  ţţ  ţţ  ţţƭ  ţţֱ  ţţ