ӣţţ½  ţţ  ţţ  ţţ  ţţ½  ţţƭ  ţţ  ţţ  ţţ  ţţע  ţţ  ţţƭ  ţţֱ  ţţֱ  ţţƽ̨  ţţ  ţţͼ  ţţƭ  ţţ½  ţţƭ