The operating system's virtual memory subsystem allows applications to allocate more memory than actually exists on the system, with the shortage being made up by temporary storage on disk.
We know retiring baby boomers will cause a shortage of employees throughout the system.
我们知道，婴儿潮一代的退休将导致系统性的雇员短缺。
3
He identified a shortage of credit as a big obstacle to growth and a shortage of capital in the banking system as the biggest constraint to increasing credit.