Example sentences of "is [adv] difficult [verb] [noun sg] [coord] " in BNC.
Next page| No | Sentence |
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| 1 | X-inefficiency can be even more of a problem in organizations producing non-marketed goods , like health and education , where it is extremely difficult to measure efficiency and where alternative sources of supply are not readily available , except to the affluent . |
| 2 | The situation clearly needs to be monitored , but it is extremely difficult to prove discrimination and few bidders would wish to alienate potential clients . |
| 3 | It is often difficult to disentangle cause and effect . |
| 4 | Also , it is quite difficult to impart hook or slice spin to a wet ball . |
| 5 | ‘ But it is very difficult to focus anger and revenge on someone you ca n't picture . |