g, ^-^fS Japanese linguistics, which implies contrast with other languages and which can provide a grammar for foreign people to learn nihongo-gaku Japanese ® b *i§©s*srm^MM. t-tz,mmm, mmm ® b Jew- *m$mm. t -t z> xfcm ® b #tc*3tt 5 Bff S«SrWS*r* £ 1" 5 BfgB^ffe -f-?>a*fg^A (Bffi^ife) i:l^gij$tb50 ^wTfiglSP^i^b*^^^ t t MS* 5 ISJB^tfS JL £ ft 5 „ i © i 5 MB&fr b ft * ft 5 fflft t> b *f§# f§# ■ BS#) =5-M^|SI (B#f&tfeW), SBR#H+*&1&»#3 (0*i#-IS z-x, ftmm&&tLitB*Mfflz&-m&Mzt£'), b*r^ (bs#) t^imma 1989) ; fefe^H T B #i&©;fci£©W3EJ (t>oCfI, 1991) Japanese; the Japanese language national language = — ocDH^^JErWHW"B"ffi: LTÄlt native language = fitfq mother tongue = MM rsatgj ti^mm- b*xh mmMi wmmi üT-fco/cä*, t*l6b#A;öS©f&= P*ISScov>TJf©J; ^roÄffitc koku-go ffl^jS^ ITCttftBSÜ (SSff*, 1981) IM«»- raf&fcßfö-NI ÜÜ3&Ö:, 1996) je»; ä# # r-< rt(jv*45^Öft^j rÄ##MÄ*U (HfJH3JJcfÜ, 1971) mumm $ a *mzm(m&mm, 1990)