One study shows that the media can play an important role in
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A pair of researchers found that when you appeal to wealthy people for donations, it will offer them a sense of control.
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The researchers then compared how much individuals donated. They found that those who had received the letters
The researchers suggested that the difference simply consisted in giving prospective donors(预期捐赠者) a feeling of more control over
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With the International Conference on Food Loss and Waste closed on Saturday in Jinan, Shandong Province, the country has sent a signal to
The current world grain production is about 2.8 billion tons a year. Therefore, the loss of only one percentage
In recent years, China
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