In his eagerness to make money from trees, he has cut them down in large numbers, only to find that without them he has lost the best friends he had. (Passage 2)

【参考答案】

由于急于利用材木挣钱，他砍了大量的树，结果才发现没有了树木，他就失去了他曾经拥有的最好的朋友。