It's not easy finding sex in the city.
在城里求偶着实不易。
Raising a family in the city is not easy either.
在城市里养活子女也不轻松。
It's spring time in Toronto,
多伦多已经到了春季,
and this mother raccoon has exchanged her native treetops for rooftops.
这只浣熊妈妈的家从树顶换成了屋顶。
Since giving birth two months ago,
两个月前她产下的幼崽,
she's kept her offspring safe and warm inside a chimney.
被她放在烟囱里,那里温暖又安全。
Now, her young have outgrown their nursery.
现在,这些宝宝们住不下了。
This is her first major challenge as a mother.
这是当妈妈的第一个大挑战。
The time has come to move to a new home.
现在他们要搬新家。
She needs to get her youngster to ground level.
她得把孩子们从屋顶带下来。
But instead of an easy climb down a tree,
可脚下不是方便攀爬的树干,
she is faced with a vertical drop, with little to cling onto.
而是垂直陡峭的墙壁,几乎没有着力点。