1. The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
    驯象中至关生要的是指派一名专门的驯象员，全面负责这项工作。

2. But they do underline the general principle that the relationship between elephant and mahout is the key to successful training.
    但强调了一项基本原则，象和驯象员之间的关系是驯象成功与否的关健。