Should I turn on the caption?

I want to learn English by watch movies on Netflix. The question is that should I turn the caption on or off?

If I turn it off, most of conversation I don't understand. But if it is turned on, is it good?

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回复: -Lucidus- 给 Lucidus 发送悄悄话 Lucidus 的博客首页 (18103 bytes) () 04/01/2013 postreply 07:02:34

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