| 1 | I must calculate how much money I'll spend next week. | |
| 2 | They are not cost-effective if applied to all patients. | |
| 3 | One mustn't consider whether or not it pays simply from the standpoint of one's own unit. | |
| 4 | The system would motivate everyone to reduce emissions in the most cost-effective way. | |
| 5 | This ultimately means that consumers are shopping around for a better deal. |