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