When Dan got to class the next day, he saw a sign on the wall.

第二天，当丹来到教室时，他看到墙上有一块牌子。

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Puneet Dan, a tour guide in Agra, said he noticed the discoloration on the boundary wall of the Taj Mahal and on the back of the monument.

阿格拉市一位名叫普尼特。丹的导游说，他曾注意到泰姬陵的围墙以及陵墓后墙有变色的地方。

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Dan has fixed the IKEA shelf on the wall.

丹已经把宜家的书架安在墙上了。

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But Wall Street veteran Dan Strachman, whose books include The Long and Short of Hedge Funds, says a lot of big institutional investors probably invested in it, too.

NPR: Hedge Fund Maven Madoff Falls Hard

Think of Brian Stelter and Mary Pilon at The New York Times, Zach Seward at The Wall Street Journal, Dan Fletcher at Bloomberg and Alex Leo at Reuters.

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It signifies mobility, freedom and personal liberty, says Dan Neil, motoring correspondent on the Wall Street Journal.

BBC: Why are Americans so angry about petrol prices?