He repeatedly USES the metaphor of bridge-building in talking about his personal and professional life.
他在书中谈到个人经历与职业生涯时，反复用到了“搭建桥梁”这个比喻。
2
An 8% rate on the 30-year mortgage will destroy more construction jobs than can be created by all his weatherization and bridge-building projects put together.
The selection of the state-owned Shanghai Zhenhua Heavy Industries Company was a surprise, though, because the company made port cranes and had no bridgebuilding experience.