ӣţţƭ  ţţ½  ţţ  ţţ淨  ţţ  ţţô  ţţע  ţţƻ  ţţ  ţţ  ţţ  ţţͼ  ţţ  ţţֱ  ţţô  ţţ  ţţ  ţţ  ţţע  ţţ