当父母与孩子谈论“我们今天做了什么”、“上周做了什么”或“去年做了什么”时，他们在引导孩子构造一个谈论过去的框架。

When parents talk with children about "what we did today" or "last week" or "last year", they guide the children's formation of a framework for talking about the past.

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上周我们谈论了种植甜菜，今天我们就来提议一下种植另外一种根生植物——萝卜。

We talked last week about growing beets. Today we have advice about growing another root vegetable, carrots.

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潘基文上周表示，谈判陷入“僵局”，但他今天又说，谈判正在取得“重大”进展。

Ban said last week that the negotiations were "gridlocked" but today said that "significant" progress was being made.

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So, today we find ourselves in a very different novelistic world than we've been in for the last week and a half: On the Road.

今天我们将置身于一个完全不同于上周的,小说的世界：《在路上》

耶鲁公开课 - 1945年后的美国小说课程节选

The other thing that I want to do today is try to tie this discussion on vaccines a little bit more closely with what we talked about last week, in terms of what happens inside your body when you receive a vaccine or when you're exposed to an antigen, and how the immune system actually responds to that.

还有就是,我希望可以,把今天关于疫苗的讨论,与我们上周讲过的内容,结合得更紧密一些,当接种疫苗,或者是接触抗原时,人体将会发生怎样的变化,以及免疫系统对疫苗产生何种应答

耶鲁公开课 - 生物医学工程探索课程节选