After I first read problem 1, I worked on it for many hours over several days before I eventually figured it out. A couple of years later I came back to the problem, but I had forgotten my proof.

在我读了问题1之后 我花了几天的时间去求解 最后我得出了答案.

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For both of these reasons, I would be a lot more productive if I worked from home at least a couple of days a week - no commute, no distractions.

出于这两个理由，我认为，倘若我每周至少有一两天在家办公——无需上下班，没有分心之事，我的工作效率肯定会大幅提升。

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Del Neri left Sampdoria yesterday and was instantly reunited with the Blucerchiati's former director general Beppe Marotta who he worked with until only a couple of days ago.

德尔·内里在昨天正式离开桑普多利亚，但他很快就同几天前还在一起工作的蓝环军团前总经理贝佩。马洛塔重新聚集于尤文图斯阵营。

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