利息 (lì xī): 利子 （ 融資 ）

He put the 200,000 yuan he had saved over five years into a three-year fixed-term deposit. When it matured, he withdrew both principal and interest, and the interest alone came to more than 10,000 yuan.

To buy a house, she borrowed 800,000 yuan from the bank. Every month, in addition to repaying the principal, she also has to pay more than 3,000 yuan in interest.

He forgot to deposit money into his credit card before the repayment due date, so the bank charged interest at 0.05% per day, and after delaying for over a month, he ended up paying several hundred yuan more.

This microfinance company advertises very low interest, but once various service fees are added, the actual annual interest rate exceeds 30 percent.

Grandpa lent his pension to a relative to do business, and they agreed it would be paid back within a year. But the relative only returned the principal and didn't pay a single cent of interest.