重点讲解：
1. be designed to do sth. 预定；指定；
This project is designed to help landless people.
这一项目旨在帮助那些没有土地的人e|mme[Fc8Zrj7++cUa6!。
2. specialize in 专门从事；专门经营；专门研究；专攻；
He specialized in criminal law.
他专攻刑法W%e8.H]um(+WUu0hlA。
3. suffer from 遭遇，遭受，蒙受(不好的事)；
A humble person tends to suffer from solitude, felling himself inadequate company, longing for others to be around.
谦卑的人往往易受孤独的折磨，感觉仅仅与自己相处远远不够，渴望有人作伴2tj|a^0SJcBb3。
4. grind to a halt 逐渐停止；慢慢瘫痪；
If trade doesn't improve soon, the industry will grind to a halt.
如果商业不迅速恢复景气，工业就要陷入停顿p,=1VsI^aig+-S#2nY|6。