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田纳西大学生态学和进化生物学教授唐·史密斯说：“只有一小部分外来物种会在新栖息地引发问题。”

"Only a small percentage of alien species cause problems in their new habitats," said Don Smith, professor of ecology and evolutionary biology at the University of Tennessee.

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“只有一小部分外来物种会在它们的新栖息地引发问题。”田纳西大学生态学和进化生物学教授唐·史密斯说。

"Only a small percentage of alien species cause problems in their new habitats,'' said Don Smith, professor of ecology and evolutionary biology at the University of Tennessee.

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So please take a look at the materials that were sent out: the Ancient Near Eastern collection and some of the questions to guide you through this material.

所以回去记得看我发的材料：,一些古近东时期的内容,和一些问题，它们将帮助你们理解这个材料。

耶鲁公开课 - 旧约导论课程节选

If you have any questions, come up and see me or send me an e-mail.

有任何问题 来见我,或给我发邮件

耶鲁公开课 - 聆听音乐课程节选

Thank you very much. If you have any questions, send me an email.

非常谢谢，如果还有什么问题，给我发邮件。

哈佛公开课 - 幸福课课程节选