preceding year basis

例句：

1. 1. The company's performance is heavily dependent on its previousyear base.
   公司的绩效在很大程度上依赖于其前一年的基础。
2. 2. The project team has established a previousyear basis for their budget allocation.
   项目团队已经为他们的预算分配建立了一个前一年的基础。
3. 3. The new policy will require businesses tomaintain a previous year basis in order tocomply with regulations.
   新政策将要求企业保持前一年的基础，以符合规定。