congestion = con(共同) + gest(携带) + ion(表名词) = 共同都携带→拥挤；堵塞
indigestion = in(不) + di(分开) + gest(携带) + ion(表名词) = 不分开带（只带营养）→消化不良
First I suggest you avoid taking one writer and going into a great deal of detail.
The specialist suggested that children should not eat too much sugar.
This is Paris. I suggest you stick to swordplay.
The ring suggests that he was on the scene of the crime.
It was suggested that he be the chairman of the meeting.