When people do not have enough calories, staples such as rice and wheat are vital: they provide the most calories per dollar.

当人们摄入的卡路里不足时，大米和小麦等主食便尤为关键：每美元的主食能提供的卡路里最多。

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In particular, they buy in smaller quantities-a cupful of rice, not a 10-kilogram bag; a single cigarette, not a packet.

特别是，他们购买的是小份——一杯米而不是一袋米，一支烟而不是一包烟。

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"All of the evidence indicates the program is not as they state, for peaceful purposes only, that there is a military element to it," Rice said.

所有证据都表明该项目不像他们所言仅仅是出于和平目的，它是有军事目的的，“赖斯说。”

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"They dare not sell Hunan rice, " the executive said, adding that the market is now selling rice produced in the provinces of Hubei, Jiangxi, Henan and in northeastern areas, together with some imported rice from Vietnam and Pakistan.

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They retorted that he could not be more wrong (though Ms Rice was fractionally less dismissive this week).

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They spiked their samples with extra miRNAs so they could observe this effect, so it may not reflect actual effects of eating rice.

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