Example sentences of "may be difficult [verb] [prep] [adj] " in BNC.
Next page| No | Sentence |
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| 1 | Although this factor may be difficult to assess in monetary terms it may be influential in the make or buy decision . |
| 2 | This vitamin is missing in a vegan diet and may be difficult to obtain in vegetarian diets |
| 3 | Regular and systematic analysis of a country 's newspapers can provide information on social trends , which may be difficult to obtain from other sources . |
| 4 | Such compromise boundaries may be difficult to distinguish from compacted fabrics : cathodoluminescence can , in some cases , be used for this purpose ( Sippel , 1968 ) . |
| 5 | Thus the presence of many ancient meteoric vadose zones may be difficult to determine from petrographic evidence and from field/core or geochemical techniques . |