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on rare occasions; seldom; hardly at all; in rare cases; uncommonly | |||
rarely | |||
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seldom if ever |
难得 : 44 phrases in 12 subjects |
Agriculture | 1 |
Billiards | 1 |
China | 1 |
Commerce | 3 |
Economy | 5 |
Finances | 1 |
General | 27 |
Medical appliances | 1 |
Project management | 1 |
Religion | 1 |
Space | 1 |
Technology | 1 |