I was young and thought he would be easily replaced.
People won't change unless something is made to easily replace it.
In the short run, people who move abroad will be easily replaced.
As security officer, I am the most easily replaced in this instance.
Parts can also be easily replaced for minimum service time.
Although such tubes are usually designed to be easily replaced, their working life is relatively short.
At least you're admitting now that family members, friends and homes can't be replaced easily.
Even if they found the informant, he'd be easily replaced.
Once a species is extinct it cannot be replaced easily.
"Some of them have skills and perform tasks that cannot be easily replaced."
