In the short run, the non-tradable sector is, by definition, subject to domestic-demand constraints. A shortfall in non-tradable demand inevitably limits growth on that side of the economy.
在短期，顾名思义，不可贸易部门受着国内需求的约束。不可贸易需求的短缺不可避免地成为经济中这方面的极限。