Their owner is already working on a new idea for a therapy animal donkeys.
他们的主人已经在研究新的想法，让驴子做治疗动物。
2
There were some philosophers writing about animal rights at the time, but Bob Barker was working in the trenches, and his efforts encouraged many of us who cared about animals.
Scientists at laboratories around the world are currently working to make meat in labs that will eventually look and taste like the real thing, without any animal parts.