ӣţţ  ţţƻƽ̨  ţţƭ  ţţ  ţţͼ  ţţô  ţţƻƽ̨  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ½  ţţ  ţţ  ţţ  ţţע  ţţ  ţţ  ţţ  ţţƽ̨  ţţ  ţţͼ  ţţ¼  ţţ  ţţ¼  ţţ  ţţ¼