پرسش‌ها با تگ (tariff quota)

The solitary speaks."One receives as a reward for much ennui , ill-humour and boredom, such as a solitude without friends, books, duties or passions must entail, one harvests those quarters of an hour ...

"Tariff Quota"  چیست و چگونه برای کنترل واردات کالاها به کار می‌رود؟