But no-one is sure what happens beyond the cat flap.

但没人知道他们离家后会发生什么。

It was " me" back from school, trying to get in through the cat flap.

那是＂我＂放学回来，想从猫门进屋。但他是我，尼可拉斯？或着他是住在我的身体的可怜小Leonardo？

It's only when we install surveillance cameras by the cat flaps that we see exactly what is happening here.

只有在猫洞旁安装监控摄像机后，我们才看清这里到底发生了什么。

Three times that day Aunt Petunia shoved food into his room through the cat-Flap Uncle Vernon had installed three summers ago.

佩妮姨妈一天三次把饭菜通过那扇小活板门塞进他的房间，那还是弗农姨父在三年前的夏天装上的。

The first question is, how far they travel beyond the cat flap, which is what scientists call the cat's home range.

第一个问题是他们离家之后会走多远，这也就是科学家所说的猫的活动范围。

And then it will come back through our cat flap and have a social bond with the owner and be a family pet.

然而他们回家以后，又会作为宠物与主人产生互动的纽带。

So don't do anything different, don't change your routines, don't lock the cat flap, don't suddenly call up the local handyman and get a cat flap put in.

所以不要做任何改变，一切照旧，不要把猫洞锁上，也不要突然让工人上门做一个猫洞。

I think one of the things that will be really interesting about this study is, it's every owner's dream to find out what their cat does as soon as they go through that cat flap.

我觉得这个研究最有趣的地方之一就在于，每个主人都梦想着了解他们的猫离开猫洞之后都在干什么。