保育

I'll sign on with a nursing agency.

一家育机构签约。

They are the most widespread and abundant equid in the world today, although their welfare depends on conservation programs aimed at maintaining their habitat and preventing overhunting.

草原斑马是现今世界上数量最多、分布最广的马科动物，而这有赖许多致力于护栖境、阻止猎捕的育计画。