Clearly, I am not an optometrist, and I don't really know how to do laser surgery. But if you would like to send me a check for 2000 dollars, I'll do your laser surgery.

　　很明显地，我不是验光师，也不是真的知道激光手术怎么进行。但如果你寄一张2000元的支票给我，我会帮你做激光。