You know, I used to be quite the impulse buyer.

我以前老是冲动消费。

Impulse buyers are people who make purchases because of a sudden urge.

冲动型买家是因为突然的冲动而购买的人。

Uhhh, I was an impulse buyer, near the register.

那是一时冲动 它在收银机附近。

Uhhh, I was an impulse buyer, near the register.

那是一时冲动 它在收银机附近。