Even simple visual cues, like plate size and lighting, have been shown to affect portion size and consumption.

即使是简单的视觉提示，如盘子大小和灯光，也会影响食物的份量和消耗量。

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The risk is for a weaker than anticipated print as weather disruptions have reduced consumption and have rendered a significant portion of mines inoperable.

风险是结果弱于预期，因为天气因素已削弱消费，并令相当部分的矿山产出陷入停滞。

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Does Boris tells everyone how great the beef is to stimulate demand, while Leo takes a small portion and urges sustainable consumption?

BBC: The joylessness of shopping

So all of these things will have a cumulative effect to reduce the portion of our energy consumption that comes from foreign sources, and by doing that, reduce the impact of fluctuations in the global oil market on average Americans.

WHITEHOUSE: Press Briefing

But holding a portion of one's wealth in a basket of foreign currencies is advisable, he says, as a portion of one's consumption over time comes from foreign goods produced both in developed and emerging markets.

WSJ: The Allure of Emerging-Markets Bonds