Governments have to depend largely on people's honesty because it isn't for the customs agency to check all of the goods that every single traveler is importing.
Adecent
Bfeasible正確答案
Cimperative
Dworthwhile
答案與詳解
feasible 意為「可行的、行得通的」。海關無法一一檢查每位旅客所有進口物品,故「不可行」,正確。
