Playing the free market, sellers can offer, the buyer can counter-offer, the two sides after the contractbargaining.
在玩自由市场时，卖者可以开价，买者可以还价，双方讨价还价后成交。
2
Where the contract can be changed, participation by no means precludes internal conflicts and bargaining.
如果合同是可以更改的，参与者就绝对不会放弃内部冲突与讨价还价。
3
This problem will relate to the cost of labor force, collective bargaining and collective contract, productive rules and workers' involvement management in transnational corporations.