"What I have learned is since no one asked investigators or people in charge there, they were not able to facilitate this because they were not asked to do so,"

VOA: standard.2009.05.25

There's no charge to students.

对学生是免费的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"We believe strongly that there is no evidence to support any charge whatsoever and we would renew our request on behalf of these three young people and their families that the Iranian government exercise compassion and release them, so they can return home,"

VOA: standard.2009.11.09