MD: It is hard to single out one piece of the whole as being "hardest."

MD：很难将整体中的一部分挑出来作为“最困难的。”

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"The notion that behavior modification can bring about true happiness is as bogus as can be," says psychiatrist Charles Goodstein, MD, of New York University.

纽约大学医学博士、精神病学家查尔斯。古德斯坦说：“行为修正能够带来真正的快乐的观念是相当虚假的。”

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He previously served as chancellor of the State University of New York and superintendent of the U.S. Naval Academy at Annapolis, Md.

此前，他担任纽约州立大学大学校长和在马里兰州安纳波利斯的美国海军学院院长。

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Over the years WD-40 has had to fight scamsters selling shoddy material under such labels as MD- 50, SP-80, RO-90 and WB-50.

FORBES: Greasy Coca-Cola

And there are smart serious people on the Democratic side of the aisle, such as Rep. Chris Van Hollen (D-Md), who might be willing to sit down with their Republican counterparts, roll up their sleeves, and get serious about how to grow the economy.

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Martek Biosciences Corp. of Columbia, Md. uses algae to produce omega-3 fatty acids, which it sells as a supplement for food and infant formula.

FORBES: Magazine Article