zero base line

例句：

1. 1.The team's performance is at a zero baseline.
   团队的表现处于零基线。
2. 2. The company has set a zero baseline for customer satisfaction.
   该公司已设定客户满意度的零基线。
3. 3.The new policy aims to reset the zero baseline of environmental protection.
   新政策旨在重新设定环境保护的零基线。