I always try to push the boundaries of what is possible in film.

阿富汗是我过去的一部分，是我欢笑与哭泣的土地，但它已不再是家。

To tax the larger incomes at a higher percentage than the smaller， is to lay a tax on industry and economy； to impose a penalty on people for having worked harder and saved more than their neighbors.

计算复杂性的研究告诉我们，有些问题本质上是困难的，无论我们的算法多么聪明。