When something absolutely has to be done and cannot be put off, use the adjective imperative. Imperative is from Latin imperare to command, and its original use was for a verb form expressing a command: Do it! is an imperative sentence. It's still used that way, but it's more commonly applied to something so pressing it cannot be put off: Hiring new workers has become imperative..
1 A tandem (dual) axle utility trailer starts at $1,200-$3,000 depending on size and weight capacity, and it can cost $4,000-$7,500 or more for commercial-quality utility trailers.
Travel trailers, which require a suitable tow vehicle, typically rent for $50-$175 a night, or $350-$1,225 weekly. RV Northwest in Oregon offers a 19-foot lightweight travel trailer for $525-$745 a week and a toy hauler for $749-$896 a week.