Human value is the unification of power and obligation, the unification of contribution and demand, meaning the unification of self value and social value.
人的价值是权利与义务的统一，贡献与索取的统一，即自我价值与社会价值的统一。
2
The option buyer has the right to demand purchase or sale of a specified currency, but no obligation to do so.
期权的购买者，有要求购入或卖出某种货币的权利，但没有义务。
3
As the world's two largest economies, we have a special obligation to find cooperative measures that we can take to expand growth and global demand.