Dogs,it seems,love to chew up money

问题描述:

Dogs,it seems,love to chew up money
这句话我不懂,谁帮我讲讲
为什么有两个逗号

Dogs,it seems,love to chew up money!
看起来,狗很喜欢咀嚼钱币.
来自新概念英语第三册.
it seems that
adv.看起来(似乎是)