- Sometimes, even if you have the keys those doors still can't be opened. Can they?有时候,即使你拥有钥匙,但是门仍然不能打开。是吗?-Even if the door is open, the person you're looking for may not be there, Katya.即使门是打开的,你想找的那个人可能已经不在那了,Katya-How do you say goodbye to someone you can't imagine living witho