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1иԇԇʲô?
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2иԇһмԇ?
һмԇģҪôԇxҪôԇ ߱һҲ fмpԇģډùǘOҊһԇ ĕ^˕rܶڸ`ϲôF(xin)x ԇr?ֻfЇꑛ]гF(xin)^ڱ҂(jng) f^пx ]мԇڿZֳF(xin)˼ԇ
ڼԇ}xҲijοԇǼԇx߀Ǽԇ ɿQӋCSCQʲôͼʲôETS}ѽ(jng)źõ㲻øVʲôrԇ}Ŀڿԇ^ѽ(jng)
3иԇOĿ?
ETSԇ}ĿIJǞԺԇ}yȜyԇ(@Ǟʲôԇ}׃ͼԇ}δF(xin)\ʽԇF(xin)T^Ľ(jng)ԇԭ)ǜyԇ˴οƽˮƽąĶyԇ쿼ԇ}yɴ˛Q@οԇ^ļә(qun)ƽֵ
ȣETSҵJȫƽˮƽ(ԇ}ƽˮƽ20)Sһxԇҵ}ƽ20xԇҲ20ôETSJ˴xymУؼә(qun)ƽ
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Pиԇԇă(ni)ݣС͞ν|иԇĿBꮅ֪Tλ˶?ϣ@ƪ¿Ԏ͵!