it hasn't released from customs 和it doesn't release from customs 两句翻译上有何不同?

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it hasn't released from customs 和it doesn't release from customs 两句翻译上有何不同?
it hasn't released from customs 和it doesn't release from customs 两句翻译上有何不同?

it hasn't released from customs 和it doesn't release from customs 两句翻译上有何不同?
it hasn't released from customs 完成时,
意思是:它还并没有从海关公布./ 或:它还并没有被海关放行.
这是一次性的动作,it具体指一个东西.
it doesn't release from customs 一般现在时,表示经常性的动作,惯例.
意思是:它(这类事物)还并没有从海关公布(指条约等)./ 或:它(指一类事物)还并没有被海关放行(即:这一类东西都不允许通过.).
release
vt.释放;发射;让与;允许发表
n.释放;发布;让与
[ 过去式released 过去分词released 现在分词releasing ]