The phrase "a year involves" is correct and usable in written English.
You can use it when discussing the components, activities, or events that take place within a year.
Example: "In our analysis, we found that a year involves various seasonal changes and cultural events that impact the economy."
Alternatives: "a year encompasses" or "a year includes".
The Gemstar dispute, which has lasted a year, involves a number of leading players in the emerging interactive television industry.
In South America, artisanal gold production, which churns out nearly 450,000 pounds of gold a year, involves millions of people — about four miners and support labor per pound.
Church Mutual reported an average of 100 sexual abuse cases a year involving minors over the last 10 years.
He said there are typically 40 new lease transactions a year involving about 175,000 square feet of space.
About 50,000 operations a year involve power morcellation of tissue containing fibroid tumors, according to the F.D.A.
If nurses were to handle the 57m consultations a year involving minor ailments the NHS would save more than £700m a year, the report claims.
He said the national church had averaged "less than one case a year" involving pastors and child sexual abuse since it was founded 15 years ago.
Since sweetening its awards, the whistle-blower's office has been receiving more than 500 tips a year, involving far larger amounts.
The ruling by Mr Justice Charles will, in effect, halt thousands of sensitive applications a year involving those with dementia, Alzheimer's or learning disabilities who require treatment involving some loss of liberty.
Now Mr. Clark, 61, is retiring after a 31-year career as one of the critical behind-the-scene figures at an opera house that puts on more than 200 performances a year, involving several dozen productions.
The first flight test of the American system in more than a year, involving the firing of an interceptor at a target, is planned for this week, but it is not the sort of full-blown trial Mr. Rumsfeld meant.
