卖方违约 Seller's Default

支付乙方违约金 Party B damages paid ; Pay Party B liquidated damages

任何一方违反其义务 Either party breaches its obligations

乙方违约责任 Liability of default by Party

买方违约 Buyer's Default

双方违约 Bilateral breach

违约方 party in breach ; default party ; Breaching party

划船游乐方面的违规 boating infractions

甲方的违约责任 Party breach ; Party's breach of contract

方案违背 protocol deviation