例句與造句

1. I've been looking to track some of the disadvantages or drawbacks of RISC architectures compared to CISC but yet couildn't find . . . . Does anybody could give any disadvantages that technicians curretnly are facing with RISC based designs ? . . . Not to mention it's Addressing mode instruction usage please ..
2. It's difficult to find addressing modes instruction in a sentence. 用addressing modes instruction造句挺難的