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