Philips offered a set of dominoes as a premium for electricity purchase in Brazil, where the game is national pastime and electrical products are treated as commodities.
电力在巴西是视为商品，而在该国，玩骨牌是一项全国性的娱乐活动，飞利浦公司即在那里推出一套骨牌作为购买电力的奖品。
Basic commodities like oil, electricity, or cotton tend to become more expensive over time, with cost increases working their way through the rest of the system.
诸如石油、电力或者棉花等基本商品，由于其价格趋势是随着时间的推移而越来越贵，因此，利用基本商品生产制造的其他商品的成本就一直在上涨。
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