NOT-IF-THEN

• n. A“与”B非；“异”运算；禁止

NOT-IF-THEN的用法和样例：

例句

用作名词 (n.)

1. Swimming is not allowed at this beach.
   这片海滩禁止游泳。
2. Cars are not allowed to go through the city centre.
   禁止汽车从市中心穿行。