The phrase "avoid changing" is correct and usable in written English.
It can be used when advising someone to refrain from making alterations or modifications to something.
Example: "To maintain the integrity of the experiment, it is crucial to avoid changing any variables once the process has begun."
Alternatives: "refrain from altering" or "steer clear of modifying".
If I may add to that: nothing can avoid changing.
"People have been trying to avoid changing the structure," Hutcheson said.
And what about the claim that people use offsetting as a way to avoid changing their unenvironmentally friendly ways?
If you are writing a work of literature, it's literally impossible to avoid changing what people are like.
I normally tell my patients that it is best to avoid changing both speed and duration in the same session as they are building up mileage.
"F1 is interesting for Ferrari only if these points are taken into consideration, and we must avoid changing the rules too often.
The Cobra PR-2000WX offers weather broadcasts and alerts, a backlighted display and a channel-lock feature (which we found necessary to avoid changing channels inadvertently), but it does not have a compass or altimeter.
But, in general, we should avoid changing the names of aspects of the state or government because politicians' tendency will always be to make the new names more emotive, more like adverts.
Whenever possible he books on Northwest Airlink and other regional carriers that fly nonstop, to avoid changing planes in hubs like Atlanta or Chicago (traveling to some destinations can still require connecting at a hub, regardless of whether you are taking a regional or major carrier).
A recent review by Goldman Sachs economists found "there is no sign of an election influence on policy decisions in election years," although the authors added that the Fed did seem to avoid changing policy at its final meeting before an election.
It makes sense to work out detailed reductions so as to avoid changing the set theory.
