### Chinese: 以为可以花1块钱，保险公司赔600万（天下掉馅饼）。
### English: I thought <v>I</v> could spend 1 yuan, and the insurance company lost 6 million yuan.
### Errors: There is a minor fluency/inconsistency error at "I" within <v></v>.

### Improved English: They thought they could spend 1 yuan and get a six million claim settlement from the insurance company (pie in the sky).
