I appreciate your efforts and cooperation and hope that this will be the forerunner of other transactions in future.
非常感谢贵方的努力与合作,希望这只是我们今后业务往来的开端。
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键。