重點講解：
1. be designed to do sth. 預定；指定；
This project is designed to help landless people.
這一項目旨在幫助那些沒有土地的人e|mme[Fc8Zrj7++cUa6!。
2. specialize in 專門從事；專門經營；專門研究；專攻；
He specialized in criminal law.
他專攻刑法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.
謙卑的人往往易受孤獨的折磨，感覺僅僅與自己相處遠遠不夠，渴望有人作伴2tj|a^0SJcBb3。
4. grind to a halt 逐漸停止；慢慢癱瘓；
If trade doesn't improve soon, the industry will grind to a halt.
如果商業不迅速恢復景氣，工業就要陷入停頓p,=1VsI^aig+-S#2nY|6。