When other countries must acquire your currency to trade, and must keep your money in reserve to protect the value of their own, your securities sell at a premium.
当其它国家必须用你的货币进行交易，必须储备你的货币以保护其本币价值时，你的证券就可以溢价销售。
2
Some supermarkets reserve that for their own-label "premium" goods.
一些超市把这个位置留给其自有品牌的“优质”商品。
3
The problem is dealt with of calculating a couple's net premium and reserve when they are insured against pension annuity (including death insurance) as insurants.