保證的英語翻譯：

guarantee; assure; certify; warrant; ensure; pledge; secure; assurance
guaranty; surety; warranty
【經(jīng)】 assurance; endorsement; guarantee; guaranty; recognizance; scure
secure; security; surely

價格的英語翻譯：

price; prix; quotation; rate; value
【化】 price
【經(jīng)】 figure; price; prices; rater.; value

不的英語翻譯：

nay; no; non-; nope; not; without
【醫(yī)】 a-; non-; un-

下降的英語翻譯：

go down; come down; decline; descend; drop; fall; gravitate; plunge
degression
【醫(yī)】 descensus; descent
【經(jīng)】 decline; slump