| 1 | External motivation is short-lived. | |
| 2 | Her success as a popular singer was short-lived. | |
| 3 | This is no flash in the pan; over the past couple of years,inflation has been consistently lower than expected in Britain and America. | |
| 4 | This is no flash in the pan; over the past couple of years, inflation has been consistently lower than expected in Britain and America. | |
| 5 | The gain in competitiveness from devaluation would be transient if, as is likely, wages inflated along with prices. |
