"This seems to happen all the way along," said lead researcher Robert Kaplan, professor of the department of health services at the University of California, School of Public health.
加尼福尼亚大学公共卫生学院健康服务系的罗伯特·卡普兰教授是研究小组的组长，他说：“这个道理在任何时候都适用。”
"This seems to happen all the way along," said lead researcher Robert Kaplan, professor of the department of health services at the University of California, School of Public health.
加尼福尼亚大学公共卫生学院健康服务系的罗伯特·卡普兰教授是研究小组的组长，他说：“这个道理在任何时候都适用。”
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