| Why would individuals expend effort to persuade an audience about something that it already believes? |
| The reason is that it is a fundamental principle that the legislature should not act or expend money without parliamentary authority. |
| The Council said it was questionable whether it had the legal authority to expend funds to provide educational services in the town. |
| Researchers also had to tweak the organism's DNA so it would expend most of its energy making propanediol rather than replicating itself. |
| As the easy stuff is used up, we arrive at the point where we must finally expend a whole barrel of oil to produce a barrel of oil. |
| Either way, he was forced to expend energy herringboning up all but the easiest of climbs. |
