Mr Mayer believes that somehow the British have lost the secret of keeping family firms going as such for more than two generations.

梅耶先生认为英国人莫名其妙地丢失了能使家族企业保持两代以上的奥妙。

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As the New Scientist reported: "Within two generations four out of five of the world's women will be having two children or fewer." 18.

正如《新科学家》所谈到的：“在两代人之内，世界上五分之四的育龄女性养育两个孩子或更少。”

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"All scholars dealing with Edom in the last two generations claimed that Edom didn't exist as a state before the eighth century B.C.," says Amihai Mazar.

“上两代的所有学者都认为以东作为一个国家是在公元前8世纪以后出现的，”阿米哈伊·玛扎尔说。

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His heir, Crown Princess Victoria is married to Prince Daniel and has a baby daughter, Princess Estelle, as the next two generations there take shape.

CNN: Will any of Europe's other older royals step down?

This one family, in Ogden, Utah, has watched as five children in two generations have died from a mysterious disease that science could not explain.. Thanks to huge leaps being made in DNA sequencing and in computer programs to decipher genetic code, researchers were able to find the gene for this disease in just sixteen months.

FORBES: A Tragic Case And A Genomic Hope

But as John Birks Gillespie proved two generations ago, American jazz and "cultural outreach" can go a long way, too.

NPR: Dizzy Gillespie's Cold War Jazz Diplomacy