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