据马修·贝内特教授(图中右侧)讲，数字足迹档案，包括这个在肯尼亚发现的足迹，将会提供关于人类进化的新线索。
Digital archive of footprints, including this one in Kenya, will shed light on human evolution, according to Professor Matthew Bennet, pictured right.
我们会稍微讲一点禅修也许今天不讲明天讲。
We will talk about a little bit about meditation and actually maybe not today but tomorrow.
我们将在第二节课当堂打分。如果错了超过八道题，你可能就应该在上这门课前再先修一门讲基础证明的课程。
We will grade it in class at the second session. lf you miss more than 8 answers, you should probably take another proof-based course before trying this one.
我们将在第二节课当堂打分。如果错了超过八道题，你可能就应该在上这门课前再先修一门讲基础证明的课程。
We will grade it in class at the second session. lf you miss more than 8 answers, you should probably take another proof-based course before trying this one.
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