| 1. | The census bureau says birthrates have dropped in every area of the world except africa .
人口普查局说，除了非洲之外，世界各地的出生率近来已有所下降。 |
| 2. | The census bureau says an immigrant enters the country every 31 seconds
人口普查机关说每31秒增一个外来移民。 |
| 3. | The census bureau says an immigrant enters the country every 31 seconds
人口调查局称，每三十一秒就有一名移民。 |
| 4. | The census bureau says an immigrant enters the country every 31 seconds
普查局指出每31秒有一名新移民进入美国。 |
| 5. | The census bureau says an immigrant enters the country every 31 seconds
人口普查局说每31秒就有一个移民进入美国。 |
| 6. | The census bureau says an immigrant enters the country every 31 seconds
人口调查局说每31秒钟一个移民进入这个国家。 |
| 7. | The census bureau says an immigrant enters the country every 31 seconds
人口调查局称每31秒钟就有一个移民加入美国。 |
| 8. | The census bureau says an immigrant enters the country every 31 seconds
人口调查局指出每31秒就有一个移民进入国家。 |
| 9. | United states census bureau
美国人口调查局 |
| 10. | The census bureau says / an immigrant enters the country / every 31 seconds
人口调查局说每31秒有一个移民进入这个国家。 |
