the door to the outside of the building什么意思?

next to the door next to the door the door to the world tring to open the door show sb to the door ,show sb the door 英语翻译完整的题目为：In order to learn the ins and outs of the family business,Bill took a job as a messenger boy in one of the offices.提示：ins and outs意为细节. use the clues to unlock the door the key to door//谓语是to? the key to the door是否可以还原为the key which is to the door Point to the door怎么读 The Door To Love什么意思 Do not( )to close the door press E to open the door to hold the door open的意思 don't( e ) to close the door We need ( )to open the locked door no one comes to open the door is there a key to the door