| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be at [art] cost | 11 |
|
| 2 | be at [art] cost | 11 |
|
| 3 | be at the cost | 10 |
|
| 4 | be at the cost | 10 |
|
| 5 | be at [art] cost | 5 |
|
