иԇһZҪܸߵĜyԇʽͬWһҪͨ^ྚԼĽ}СռPи ɵPBϣ
ZԹPҪ
fи SͬWĆ} S~R߀eͬWȻӳ ZԿԇҪȡø߷ZԹdzɔPI~RڿԇеҪԲԶ~l(f) ԇx ԇHZ֪Rc~R֪RһһSЇW ԭě]}Ġr@fͬWe~RrһҪl_~Rl(f)
^summarywָ҂ һƪ ϺMеĸ@Ҫ҂ ϵÿһ(ji)Ҫ܉ץסfԒ˵˼·Ϳ@Ӗи PҪи vҪ҂ ÿһ(ji)Ҫǽvn˼·ȫĵҪ(ji)ܶͬW һƪ ϕr ʲôֻfһһɢĆ~@hhConversation֣Ҫһ㌦Ԓl(f)չģʽW}ȥώ——ώԃwʲô}/ʲô@N}——oQ————_һҊ
(j)Z֪Rƾ
fи ԇ]ԇʽͬWĆ}^XпٷӳͬrӛPӛҪc?ڴˆ}ͬWҪ ƪ½Y(ji)(gu)ӛסҪ(ji)쾚Z֪RҪc ӵͬrlӽY(ji)(gu)ӛҪcϢZeZ~ϢrgZϢȣ@ʹ Pӛп
Tı֪R͌I(y)~R
и l(f)չڅӑՓԒ}ԽԽWg@ҲԽԽyԭ֮һи lecture(ni)ݿTČW֪RˇgƌWȻƌWԼƌWͬWڂ俼^Бm˽ԼϤIfͬW܌֪֮R܉֪vʷĻă(ni)ݱ^@ҪϤиWƻ֪R
ڌI(y)~䌍ͬWDzηֵ(sh)~ĻϳF(xin)Ҫӛסl(f)һfo~ĵطнڌڴˌ~Ľ@ͬWҪġ
и ֮ųʹ
и Ҫʽx}چx߀ǶxųʹöǘOҪġ(j)ᵽĸNӛPӛķ }֮Ҫ(j)Pӛ(ni)ݷx˕rųe`x헺ҪЩԻx헣oԭгF(xin)Ć~~MǻǴeǷe@Ҫwÿx헣Cneither too broad nor too narrow