" Those who have control of the purse strings … they're very reluctant to move away from these solid engineering structures because of fear that their money's going down a hole, " said Kench.

“那些控制资金的人… … 他们非常不愿意放弃这些坚固的工程结构，因为他们担心他们的钱会打水漂，”肯奇说。