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  • We would be incredibly grateful for a donation.

  • Because it's donations from people like you that support our free and open courses.

  • And it's donations from people like you that will allow us to continue doing what

  • we do, even better, sharing the best of MIT with a global community of learners and educators.

We would be incredibly grateful for a donation.

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B1 中級

今天就支持OCW (Support OCW Today)

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    林宜悉 發佈於 2021 年 01 月 14 日
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