Professor Kwak Dae-kyung of Seoul's Dongguk University told the Yonhap news agency that the couple appeared to have lost track of reality.

首尔东国大学的郭达坤(Kwak Dae - kyung)教授告诉韩联社，这对夫妻似乎已经游离于现实生活之外了。

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“13 Bankers”, which Mr Johnson co-wrote with James Kwak, a former McKinsey consultant, makes a narrower point, but has greater historical sweep and is the better read.

《13位银行家》由约翰逊和詹姆斯.夸克合著，夸克曾是一位麦肯锡咨询师，该书的观点更为狭隘，但涉及的历史背景更为宽泛也更具可读性。

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But it is still a tricky period for software companies, notes Chris Kwak of Susquehanna.

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The faith that Messrs Johnson and Kwak put in merely capping the size of banks is misplaced.

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"It's a therapy that represents no side effects to the patient and it's harnessing entirely the patient's own immune system to fight the cancer, " Kwak said.

CNN: Cancer vaccine teaches body to fight off disease