| 词汇 | at a premium |
| 释义 | at a premium : difficult to get because there is little available奇缺的 We bought bunk beds because space in the apartment is at a premium.由于公寓空间狭小，我们买了双层床。 Overnight delivery is available when time is at a premium. [=when something needs to happen or be done very soon]如果时间紧迫，可以夜间送达。 premium |
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