Troubleshooting: Quality issue, delayed shipments, blocked payment, contract implement etc. ;

故障排除：质量问题，发货延迟，付款冻结，合约履行等；

youdao

Since 20th centuries, because the classical contract theory adheres to the relativity of contract, the development of contract freedom has been blocked up.

自20世纪以来，古典契约理论因固守契约相对性，从而滞碍了契约自由的声张。

youdao

The contract was agreed last month but had remained unsigned, fuelling speculation that Magnier and McManus had blocked it.

BBC: FERGUSON'S TROPHY CABINET