It's all over the place, and as soon as I start to play it, at least once we get in to it, you'll say, "Oh, yeah, i've heard that."
我们经常会听到它,只要我一开始放,至少当我们听到主要部分,你们会说,原来这样啊,我以前听过
So what I'd urge you to do is to find-- get the clicker as soon as you can and we'll start using it fairly soon in the class.
所以我劝大家赶紧去领取,越快越好,这样等会讲课时大家都能用上
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