他与朋友合伙经商.He associated himself with his friend in a business undertaking.他与朋友们合伙做生意.He carried on the business in combination with his friends.他们同意合伙干,共负盈亏.They agreed to work on shares....
I see my role as being a catalyst for change.我认为我的角色是促成变革。A catalyst is a substance which speeds up a chemical reaction.催化剂是一种能加速化学反应的物质.It acts as a catalyst in the process of fermentation.它在发酵过程中起触媒的作用....