special arm and hand signal

例句：

1. 1.This is a special edition of the book.
   这是这本书的特别版。
2. 2. The special needs of the elderly require special attention.
   老年人的特殊需求需要特别的关注。
3. 3. The special event attracted many people to the city.
   这个特殊事件吸引了许多人来到城市。