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| be an issue (maystay); pose a problem (Our esteemed colleague Dr. Gallegos is posing a problem.) | |||
| be a challenge (Washington Post Alex_Odeychuk) | |||
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| is a concern (yevsey) | |||
| представлять собой проблему: 7 phrases in 3 subjects |
| Diplomacy | 2 |
| General | 4 |
| Scientific | 1 |