The only work he's been able to find, however, has been cat-sitting, dog-walking and elder care.
但是，他能找到的工作只有看猫遛狗和照顾老人。
2
The response from participants in the dog-walking group - and their dog companions - was very different.
而遛狗组的参与者们—还有他们的狗狗伙伴—就不同了。
3
But there were also other subtle indicators of improvement among the dog-walking group. Many people in the dog-walking group stopped using canes and walkers.