两个句子
1.Having worked in a travel agency for years,he has obtained experience of a guide.
2.The car hit into a stone wall,and it was damaged beyond hope of repair.
第一句的experience和第二句的hope前为什么不加the 呢？
第二句我理解了，第一句我主要是问 the 为什么不加，dpf19861128的答案能再具体点么？
另外一个句子the balance of nature，可以用此句类比的谈谈么，谢谢！
