contract note  买卖合同
contract of employment 雇佣合同
contract of engagement 雇佣合同
contract of carriage 运输合同 
contract of arbitration 仲裁合同 
contract for goods 订货合同 
contract for purchase 采购合同 
contract for service 劳务合同 
contract for future delivery 期货合同 
contract of sale 销售合同 
contract of insurance 保险合同