1. Yet the soft and wet ground of a marsh serves an important purpose in nature.
    然而沼泽地潮湿、松软的土地在大自然里起着重要作用。

2. She thinks the purpose of teaching children is to develop their self-worth.
    她认为教育孩子的目的是发展他们的自我价值。

3. Raising consciousness. I think of this as thinking differently on purpose.
    提高意识程度。我把这看作是思考中有目的的独辟蹊径。

4. Our purpose is to realize the agricultural modernization.
    我们的目的是要实现农业现代化。

5. On the other hand, to be alone on purpose, having rejected company rather than been cast out by it, is one characteristic of an American hero.
    而另一方面，故意选择独处，拒绝别人的陪伴而非为同伴所抛弃，这正美国式英雄的一个特点。

6. The class of fliers which harness the air to their purpose, but must yield to its opposition.
    它能自如地驾驭空气，但必须顺气流飞行。

7. 1. What is the purpose for the writer to have a loaded gun since she is in favor of gun control?
    以前我认为自己不相信暴力，我自己也不粗暴，所以我不会受到暴力的侵袭。我还认为我对人性本善的信念会使这一假想成为现实。

8. I bought it for a specific purpose.
    我为了特殊的目的而买了它.

9. If these people do not acquire some constructive vision of purpose for themselves, they are likely to be very destructive forces of resistance in society throughout their lives.
    如果这些人不在自己的人生目标中树立起某种积极向上的观点，他们就很有可能一辈子都是社会上极具破坏性的反抗力量。