在线名词解释大全
专业、全面、易懂的全领域名词百科

Itisunconditional________bythemakersayingthatthemakerwillmakethepaymentofcertainamounttocertainpersonortoorderoncertaindate.

题型:单选题
选项
A. A.order
B. B.request
C. C.inquiry
D. D.promise
正确答案:D