| 1. | Of course, alternate paths are common .
当然，别的途径也是常有的。 |
| 2. | At a circus, there is usually a tightrope walker .
杂技场常有钢丝表演。 |
| 3. | That's routine in these situations .
在这些情形下，这是常有的事。 |
| 4. | Heartburn and sour "acid" eructations are frequent .
常有烧心感和嗳酸。 |
| 5. | He was absent , as is often the case .
他没有来，这是常有的事。 |
| 6. | The knives and forks set up their regular jingle .
刀叉发出常有的叮当声。 |
| 7. | Revolution is a frequent outgrowth of tyranny .
革命是暴政促成的常有结果。 |
| 8. | Twelve months' credit is the easy-going custom .
十二个月的信贷是常有的事。 |
| 9. | Children often speak wisely
孩子们的话也常有道理。 |
