Yes–no thoughts do not require any alter to the basic phrase purchase; as a substitute, the small (L) tone of the final syllable from the utterance is replaced by using a slipping (HL) tone.????????????? ?????? ???????? ??????? ????? ??????? ??????? ?????????? ?????? ???? ????? ??? ??? ?? ?? ???? ?????? ?????, ???????, ????????? ???? ???? ??? ???