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| 2 要素制約 (A constraint that applies to two elements, such as two classes or two associations. The constraint is shown as a dashed arrow from one element to the other, labeled by the constraint string in braces ({ })) | |||
| 2: 10 phrases in 4 subjects |
| General | 6 |
| Humorous / Jocular | 2 |
| Informal | 1 |
| Technology | 1 |