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at a premium

adv.在票面价值以上,非常珍贵

难易程度:

at a premium为短语/超纲词汇

近义词, 同义词

1. The premium system provides a strong motivation.
    奖金制提供了强大的刺激。

2. Needless to say, the bigger the risk an insurance company takes, the higher the premium you will have to pay.
    不用说,保险公司承担风险越大,你付的保险费也就越高。

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