1.
I've covenanted (for) 100/covenanted (with them) to pay/that I'll pay 100 a year.
我立约承诺每年捐款100英镑.
2.
A contract is concluded by the exchange of an offer and an acceptance.
当事人订立合同，采取要约、承诺方式。
3.
Modalities for the Establishment of Specific Binding Commitments under the Reform Programme
根据改革方案确立有约束性的具体承诺的模
4.
Article 13The parties shall conclude a contract in the form of an offer and an acceptance.
第十三条当事人订立合同，采取要约、承诺方式。
5.
(iii) The offeree fails to dispatch its acceptance at the end of the period for acceptance;
(三)承诺期限届满，受要约人未作出承诺；
6.
There are two stages for making an electronic contract:offer and acceptance.
电子合同的订立同样需要经过要约和承诺两个阶段。
7.
A contract is formed once the acceptance becomes effective.
承诺生效时合同成立。
8.
The acceptance, no less than the offer, contains a promise.
承诺不亚于要约，包含着一种允诺。
9.
An acceptance dispatched by the offeree after expiration of the period for acceptance constitutes a new offer, unless the offeror timely advises the offeree that the acceptance is valid.
受要约人超过承诺期限发出承诺的，除要约人及时通知受要约人该承诺有效的以外，为新要约。
10.
An acceptance is a statement made by the offeree indicating assent to an offer.
承诺是受要约人同意要约的意思表示.
11.
An acceptance is the offeree's manifestation of intention to assent to an offer.
承诺是受要约人同意要约的意思表示。
12.
Under pledge of sthbin the state of having agreed to or promised sth
在誓约或承诺某事的约束下
13.
To break or withdraw from a promise, agreement, or undertaking.
毁约违反或取消誓言、合约或承诺
14.
The conclusion of employment contracts should abide by the general rules of contract conclusion: offer and acceptance.
雇佣合同的订立应遵循合同订立的一般规则，必须经过要约和承诺两个阶段。
15.
The constraining power of a promise, contract, law, or sense of duty.
约束力承诺、和约、法律或责任感的约束力
16.
The notice of withdrawal shall reach the offeror before or at the same time as the acceptance.
撤回承诺的通知应当在承诺通知到达要约人之前或者与承诺通知同时到达要约人。
17.
Note of the Chairman of the Market Access Group on Modalities for the Establishment of Specific Binding Commitments under the Reform Programme
市场准入小组主席关于根据改革方案确立有约束性的具体承诺的模式的说明
18.
Contract Law and the Formation of Contract of Liner Shipping ──Legal Character of Line Schedule
新《合同法》要约承诺制度与班轮运输合同的成立──兼论船期表的法律性质