也是此刻你想了解的真相，就在我们还在为房屋泡沫和信用紧缩这两记左右组合拳而黯然神伤的此刻。

And it's the kind of stuff you want to read at a time when we are still smarting from the one-two combo of the housing bubble and the credit crunch.

youdao

最上面一行显示这个细胞和它的左右邻居可以有的八种颜色组合。

The top row shows the eight combinations of colors that a cell and its left and right neighbors can have.

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组合价格是直飞机票的2折左右。

Combination of straight ticket prices are around the 2 discount.

youdao

This is a game where you get a little plastic device, it's got 15 plastic numbers on it and one hole in this little plastic board and you can move those numbers up, down, left to right, and the goal is to take what's a random assortment of tiles and arrange them in numeric order and that's one of these little things you can play sort of absentmindedly.

在这个游戏中，你会拿到一个可塑的装置，上面有15个数字和一个孔,你可以将数字上下移动，左右移动，目标就是,拿到一个随机的组合后,将其按数字顺序排列,这个你可以随便玩玩。

哈佛公开课 - 计算机科学课程节选