Rebuilding has been dogged（7） by almost five years of acrimony（8） over designs, security, insurance and control of the 16-acre （6.5-hectare） site at Ground Zero.
Rebuilding has been dogged（7） by almost five years of acrimony（8） over designs, security, insurance and control of the 16-acre （6.5-hectare） site at Ground Zero.
五年来，重建世贸遗址频频引来尖刻的讽刺，从设计、安全、保卫系统到对16英亩（6.5公顷）的遗址的监控。