| A diagram at once shows its awkwardness, expensiveness, and undesirability. |
| Finally, it shows the undesirability, in some cases, of placing in primary legislation issues that should more appropriately be found in secondary or tertiary legislation. |
| The Prüm Convention, or at any rate its undesirability, may, though, provide the best reason. |
| In addition, the high degree of social undesirability associated with conjugal violence makes the subject taboo for men having this problem. |
| In this case, the undesirability is a labour force that is too numerous, too senior, and therefore too expensive. |
| In this sense, the impossibility and undesirability of impeding the acceleration of scientific and technological discoveries were also evoked. |
