и 俼҂yõи yĹľ́WPи IJyʹӵ!
2Nи yʽ
һǰڞg[}Ŀ^(j)}ɽoϢД»ܕfăݣ@һAγɌעc((j)MODEL팑Ώ͔(sh)ֻߵĺܿȵ);
ڶ ^УyӻǾȺg˼@c^yڵһֱ^Zٱ^r@ô
עи Ayǰx헵ǰϢ~ZҪע⣺
1̕ӛǰg[̵ٶȌ^x헻PI~ZڴXВ^һ飬Ŀ ^ЁmxٶcHһȱ
2жÓxָڷ^Ҫ ݵҲҪеľĿⶢ}Ŀ@Păݕʧ(@cڂ˵ ^̽F(xin))ͬr ĴЕrһ_ʼͳF(xin)ҲеfԒ˲؏͵ăҲеļme`ĺĽYȵ Ļֱ ĺпܲǴ𰸡
3SDQϢӛֻ̖(Marker words/phrases)ijF(xin)Z{ͻȻD׃@ӿԎעʲôrD}l(f)F(xin)һl}_ʼĕr߀δ֮ǰһl}ҲԓDһl
҂fи ҲһNи 俼^Укܶط҂üɻȻɲĿܱC֔(sh)