| 1. | Such problems have come up before .
这类问题早有先例。 |
| 2. | It is in record that ....
…是有先例的。 |
| 3. | There was an apt precedent for this in the previous war .
这样的做法，在上次大战中，恰好是有先例的。 |
| 4. | But maybe the laws themselves need to be changed
对此，物理学家也有先例可循。 |
| 5. | There has even been a pro - work demonstration in paris
巴黎人更愿意工作，这是有先例的。 |
| 6. | This strategy also has ancient antecedents
这个策略早在远古就有先例。 |
| 7. | This type of boom has happened before
这种类型的繁荣，曾有先例。 |
| 8. | We have a precedent to go by
我们有先例可援。 |
| 9. | There might be a precedent
可能有先例 |
| 10. | However , because of the foregoing rumor proved to be untrue , most of the people on the internet remain suspicious this time
由于已有先例，大多网友对此都抱着将信将疑的态度。 |
