but of course no parent is going to let a child ride a bike

不过没有家长会允许他们孩子骑着自行车
from here to here because you've got the super highway in the middle,

因为中间有一条高速公路
and the only way to get across

你唯一的办法就是
it would be to go down here on this very busy road,

沿着这条熙熙攘攘的街道边走
figure out how to navigate over here,

盘算着怎样才能走过去
even if there is a walkway that one could ride a bike,

即使这有条人行道
and then maneuver over to here.

可供你骑自行车通过
The introduction to the super highway,

这条高速公路也
which divides these communities in two,

把这个社区一分为二
really affects physical activity a lot.

对居民的生活造成了很大不便
You have- and another example of that that would be true,

我们还有个现实案例
is let's say you have a child

假如你有个小孩