&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;quot;come out&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;quot;和&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;quot;come in&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;quot;有什么区别吗?