比如，瑞士再保险公司如果为设在伦敦的总部新大楼安装可开启的窗户，会产生额外的高成本，虽然能够降低空气流通费用，但要十年以上才能与投入相抵。

For example, Swiss re's installation of Windows that can be opened in its striking new London headquarters will take more than a decade of reduced ventilation bills to justify their extra cost.

youdao

比如，瑞士再保险公司如果为设在伦敦的总部新大楼安装可开启的窗户，会产生额外的高成本，虽然能够降低空气流通费用，但要十年以上才能与投入相抵。

For example, Swiss re's installation of Windows that can be opened in its striking new London headquarters will take more than a decade of reduced ventilation bills to justify their extra cost.

youdao