a bargain hunter的用法和样例：
- You simply must have an M3 badge on the tail and if you're a bargain hunter, you know the Infiniti G37 provides much of this goodness for about 10 grand less.
- Really? You're an amazing bargain hunter! Next time there's a sale, promise you'll let me tag along with you.
- She knows a bargain when she sees one.
- She bought a remnant of silk at a bargain.
- After a great deal of haggling they managed to strike a bargain.