卧铺: a bed (on a train), a couchette...
常识: common sense, general knowledge...
划算: to calculate, to weigh (pros and cons), to view as profitable, worthwhile, value for money, cost-effective...
上游: upper reaches (of a river), upper level, upper echelon, upstream...
缩水: to shrink (in the wash), to shrink (of profits etc)...
演员: actor or actress, performer...
注定: to foreordain, to be bound to, to be destined to, to be doomed to, inevitably...
麻醉: anesthesia, to poison (sb's mind)...
