And I have actually seen evidence over the years, mercifully, just a small amount of evidence, but there are, in a group like this, always a few students who come in with a really strong background in high school.
这几年我已经见到了实例,令人感激的是,只有小部分人,但在这,像这样的一个小组,总有一些来到我们这的学生,在高中打下了良好的基础。
We won't come back to it at least for the moment, but you see that it's mercifully short, and as time passes we will do some rather interesting tricks with it.
至少我们这节课用不上,看,这篇故事很短,过一段时间我们会针对它做一些很有趣的练习。
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