A nationwide survey found that的用法和样例：
- A nationwide survey of 500 mothers by research firm Braun Research found 54 percent of respondents said they were not getting enough sleep.
- In addition, the retrospective survey found that 3 cases of deaths.
- A recent survey found that 84% of people would like to swap jobs for the day.
- In a nationwide survey by the Cincinnati-based research firm Directions Research Inc. published Friday.
- A nationwide survey of500 mothers by research firm Braun Research found54 percent of respondents said they were not getting enough sleep.