1. The borrower must repay the principal sum by the end of the year.
借款人必须在年底前偿还本金.

2. The principal sum of the loan was $10,000.
这笔贷款的本金是1万美元.

3. Interest is calculated on the remaining principal sum.
利息是根据剩余本金计算的.

A: Can you confirm the principal sum of this loan?
A：你能确认这笔贷款的本金吗？

B: Yes, the principal sum is $5,000.
B：是的，本金是5,000美元。

1) 借贷或贷款的本金

2) 投资的初始金额

3) 不计利息的原始金额

1. 本金

e.g. The principal sum must be paid back in full.
本金必须全额偿还。

noun

1. The original amount of money lent or invested, excluding interest.

Synonym: capital, corpus