Jo: But then things change. I think the squirrel was looking for a nut under the apple tree. We use the here because it's the second mention of the squirrel.

名词第二次出现– 这次我们知道了是哪只松鼠，因为刚才在花园里看到了一只松鼠。

youdao

We'll come back and discuss it more in a second, but before I do, let me mention that the same model, exactly the same idea, has an application in Economics.

我们一会再深入导论这个问题,在此之前,我再来列举一个模型,是经济学里面一个完全类似的模型

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Most patients required no more than a ten-second mention.

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The second development I want to mention is a significant breakthrough in Iraq, where Iraq's parliament has approved a new election law that paves the way for national elections early next year.

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Second of all, the authors mention class mobility, but offer no such evidence of its occurring.

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