还huán
to pay back, to return, surname Huan降低jiàng dī
to reduce, to lower, to bring down上当shàng dàng
taken in (by sb's deceit)业务yè wù
business, profession中介zhōng jiè
to act as intermediary, to link价值jià zhí
value, worth, fig. values (ethical, cultural etc)企业qǐ yè
company, firm, enterprise优势yōu shì
superiority, dominance, advantage优惠yōu huì
preferential, favorable