全国41个周和哥伦比亚地区有彩票业务。

Forty-one states plus the District of Columbia have lotteries.

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他们必须在第4周、第8周和第12周分别提交三份论文。

They would have to submit their three papers on week 4, 8, and 12 respectively.

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实现这种解决方案所需要的时间应当以周和天而不是月计算。

The time required to implement such a solution should be measured in weeks and days, not months.

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Typically, we will not in fact have classes on Fridays, just this week and next for shopping week and Labor Day.

我们一般不在周五上课，只是因为本周和下周是购物周,还有劳动节。

哈佛公开课 - 计算机科学课程节选

So, you know, we've got a bunch of juicy topics to dive into this week involving pointers and memory.

这周我们有很多有趣的主题,包括指针和内存。

哈佛公开课 - 计算机科学课程节选

So as I said, we'll talk about protein this week a little bit, and then fats and carbs next week.

我说过,我们这周会讨论蛋白质,下周是脂肪和碳水化合物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选