Q. ～buyer 識貨的購物者/～demand 各種特殊需求/～duties 差別關稅,歧視性關稅/～monopoly 差別待遇的壟斷,歧視性壟斷（指對不同買主計收不同貨價）/～price 差別對待價格/～pricing 差別定價/～rate 差別費率,有差別的費率/～tariff 差別關稅

• stealer
• stealing
• stealth
• stealthy a. 隱秘的，暗中的
• stelliouate
• steno
• stepbrother
• step-by-step financing
• stepchild
• stepdaughter
• step-down
• stepfather
• step-in-the-dark rule
• stepmother
• stepparent
• stepped
• step-rate-premium insurance
• stepsister
• stepson
• step-transaction doctrine
• sterectyped
• stereotype
• sterile
• sterility
• sterilization