| 1 | He lives on a lonely island. | |
| 2 | Today, no nation is an island. | |
| 3 | He was dying of boredom in the isolated island. | |
| 4 | Chongming is not an isolated island with primitive ecology and no residents. | |
| 5 | If special measures are not taken, this results in the "islands of exception handling" (Figure 1) 2 . |