it is known that many of these 'monsters'which have at times been sighted are simply strange fish.这句话后面的simply是什么用法,翻译是：但现在看来,人们有时看到的这些‘妖怪’很多不过是些奇怪的鱼.翻译起来感觉怪怪的,别扭

it is known that many of these 'monsters'which have at times been sighted are simply strange fish.
这句话后面的simply是什么用法,翻译是：但现在看来,人们有时看到的这些‘妖怪’很多不过是些奇怪的鱼.翻译起来感觉怪怪的,别扭