1. cooperation.公司 (firm, company, concern) 
joint ventures 合资企业 
state-owned company 国有企业 
overseas-funded company 外资企业 

2. preferential treatment 优惠待遇 
most-favored nation treatment 最惠国待遇 
prefer A to B 更喜欢A 
e.g. I prefer black tea to green tea. 我喜欢红茶胜过绿茶. 
prefer doing A to doing B 
e.g. I prefer walking to cycling. 我宁愿走路也不骑车. 
prefer to do宁愿 
e.g. I should prefer to waiting him here until evening. 我宁愿在这里等到天黑. 
prefer to do A rather than do B 
e.g. I prefer to go out with you rather than stay at home.我愿意和你出去不想呆在家里.