ӣţţֱ  ţţ  ţţ  ţţͼ  ţţ½  ţţע  ţţƭ  ţţ  ţţ  ţţֱ  ţţ½  ţţ¼  ţţ¼  ţţô  ţţ½  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţֱ  ţţͼ  ţţ  ţţע  ţţ  ţţ  ţţƭ  ţţƻƽ̨  ţţ