对于新移民来说，应对复杂的官僚体系可能是一项艰巨的任务。

Navigating the complex ___bureaucracy can be a daunting task for new immigrants.

他承诺改革臃肿的官僚机构，以提高效率并削减成本。

He promised to reform the bloated ___bureaucracy to improve efficiency and cut costs.

由于审批过程中涉及的多层官僚程序，这个项目被耽搁了数月。

The project was delayed for months due to the many layers of ___bureaucracy involved in the approval process.