Bonds are papers issued by a government or a firmwith promise to

Bonds are papers issued by a government or a firmwith promise to pay back the money lent or invested together with interest.
【正确答案】：债券是由政府或公司发行的凭证，政府或公司承诺偿还债券购买者所借贷亦即所投资的本金并利息。
【题目解析】：参见教材P4。