The principal contra-diction

• 主要矛盾

The principal contra-diction的用法和样例：

例句

1. Then we must devote every effort to finding its principal contradition.
   这时就要全力找出它的主要矛盾。
2. Once the principal contradiction is grasped,all problems will be readily solved.
   一旦抓住了主要矛盾，一切问题就迎刃而解。