date for performance meaning in English

履行日期

1 if prior to the date for performance of the contract it is clear that one of the parties will commit a fundamental breach of contract , the other party may declare the contract avoided
如果在履行合同日期之前，明显看出一方当事人将根本违反合同，另一方当事人可以宣告合同无效。
If prior to the date for performance of the contract it is clear that one of the parties will commit a fundamental breach of contract , the other party may declare the contract avoided . a party may suspend the performance of his obligations if , after the conclusion of the contract , it becomes apparent that the other party will not perform a substantial part of his obligations
包括两种情形：一是明示预期毁约，指在合同有效成立后履行期届满前，一方当事人明确肯定地表示他将不履行合同(包括完全不履行和根本不履行) ；一是默示预期毁约，指一方当事人根据对方的行为或客观事实预见其将不会履约或不能履约。