特维斯渴望回到阿根廷与他的两个女儿住在一起，但他的高工资使回国踢球变成不现实。

Tevez is keen to be closer to his two daughters, who live back home in Argentina, but his high wage demands means any such move back to his homeland seem unlikely.

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由于NP困难，寻找最优的决策树是不现实的，从而探索各种启发式算法去产生一个高精度的决策树变成了这类研究的焦点。

Due to the NP hard problem, it is not realistic to find the optimal decision tree. So researching kinds of heuristic algorithms to induce a decision tree with high accuracy becomes a focus.

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Computers, the Internet, and communication devices are fundamental to financial progress and they make things possible that wouldn't have been possible before.

计算机,网络,通讯设备,是金融进步的基础,正是这些技术使得过去不可能的事情,如今变成了现实

耶鲁公开课 - 金融市场课程节选