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1·At supermarkets here, a 1,000-gram bag of quinoa, just over two pounds, costs the equivalent of $4.85, compared with $1.20 for a bag of noodles the same weight and $1 for a bag of white rice.

在这儿的超市里，1000克一袋的藜麦售价要2英镑多一点，大约相当于4.85美元，对应地，同样重量的一袋面条价格是1.20美元，一袋精米价格是1美元。

2·In the future it will be important to measure how efficiently a computer is per watt and per gram of equivalent CO2 production.

未来衡量一台计算机的每瓦效能和相当于每克二氧化碳的排量会非常重要。

3·Consider to make clear, if reduce shoe weight 1 gram, be equivalent to subtracting in the person's back 6 grams weight.

研究表明，若将鞋子重量减轻1克，就相当于在人的背部减去6克重量。