Otherwise, he would need to have suffered repeatedly since the beginning of the world. But now, one time, at the consummation of the ages, he has appeared in order to destroy sin though his own sacrifice
Other versions
King James Version
For then must he often have suffered since the foundation of the world: but now once in the end of the world hath he appeared to put away sin by the sacrifice of himself.English Standard Version
for then he would have had to suffer repeatedly since the foundation of the world. But as it is, he has appeared once for all at the end of the ages to put away sin by the sacrifice of himself.New International Version
Then Christ would have had to suffer many times since the creation of the world. But now he has appeared once for all at the end of the ages to do away with sin by the sacrifice of himself.