我们需要保护用户的个人数据不被泄露。

We need to safeguard our users' ___PDS from being leaked.

他上个月被调到了新的PDS。

He was transferred to a new ___PDS last month.

项目经理根据pds调整了里程碑的时间节点。

The project manager adjusted the milestones based on the ___PDS.