帮我翻成英语吧,1.巨额投资使这一地区的经济得以迅速发展.2.他们为新建一所医院开展了一场筹款运动.3.成功在于勤奋,诺

楼上的回答好地道啊,可是有的地方觉得不合语法,是我学艺不精吧.麻烦帮我看下我的改法有没有道理.
1. Substantial investment to the region has rapid its economic development.
2. They launched a fund-raising campaign for a new hospital.
3. Success depends on hard working, of which Dr Noel is a good example.
4. They all have high moral standards, never to be tempted to accept such expensive gifts.
5. There are indications that many factories are faced with a very difficult situation.
6. After finding an important clue to who is the crime the police arrested him in several hours on the charge of armed robbery.
7. Survey shows that for some people, retirement tends to cause psychological pain.
8. The medical team did more than complain on the poor working conditions at the local hospital. For example, several doctors had their own money to purchase a simple medical equipment.