over the years和through the years有什么区别

It means a kind of sweetness that grows sweeter through the years.
它代表着一种随着岁月的更迭而更加甜美的感觉.
His love for her waxed and waned through the year that they knew each other.
在他们相识的那一年里,他对她的爱一直时增时减.
He's learned a lot over the years.
他多年来学到了许多东西.
其实没有特别本质的区别,前者更加常见,through the year or through those four years等也较为常见