另一组学生的肉食购买率则保持在52%不变。
在参与讨论肉类伦理的学生受试人群中，肉食购买率从52%下降到45%——而且这一影响在研究持续的几周内保持稳定。
Among student subjects who discussed meat ethics, meal purchases containing meat decreased from 52 to 45 percent—and this effect held steady for the study's duration of several weeks.
虽然购买率在最近几天会下降。
Many more may be in the pipeline, although the rate of purchase probably declined in recent days.
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