The purpose of the traffic rules is _____ (avoid) traffic accidents.
问题描述：
The purpose of the traffic rules is _____ (avoid) traffic accidents.
答
The purpose of the traffic rules is __to avoid___ (avoid) traffic accidents.为什么这里是说交通规则的目的，用to do 不定式表示目的~~~这里是说交通规则的目的，用to do 不定式表示目的~~~