slippage
/ˈslɪpɪdʒ/noun
mass noun
1- the action or process of something slipping or subsiding; the amount or extent of this滑动, 下沉; 滑程, 下沉幅度：
£16 million has been spent on cracks and slippage.
已经在下沉堵漏上花了1,600万英镑。
1.1
- failure to meet a standard or deadline; the extent of this不合标准; 延误; 延误程度：
slippage on any job will entail slippage on the overall project.
任何一件事的延误都会影响整个计划进程。