| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sufficient condition and necessary condition | 1.36 | 0.6 | 111 | 31 | 44 |
| sufficient | 0.41 | 0.1 | 7556 | 95 | 10 |
| condition | 1.22 | 0.3 | 9267 | 55 | 9 |
| and | 1.31 | 0.4 | 9404 | 29 | 3 |
| necessary | 0.77 | 0.3 | 3807 | 11 | 9 |
| condition | 1.4 | 0.9 | 7255 | 73 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sufficient condition and necessary condition | 1.78 | 0.6 | 3367 | 81 |
