承诺人必须在合同上签字。

The acceptor must sign the contract.

银行是这张汇票的承诺人。

The bank is the acceptor of this bill.

作为承诺人，他必须按时付款。

As the acceptor, he must make payments on time.

承诺人有责任履行所有条款。

The acceptor is responsible for fulfilling all terms.

如果承诺人违约，将会面临法律后果。

If the acceptor defaults, there will be legal consequences.

声明所指向的人被称为受要约人或者承诺人。

The person to whom it is made is called the offeree or the acceptor.

承诺人保证，其参加“设计之都（中国·深圳）公益广告大赛”而提交至组委会的参赛作品是由承诺人独立完成的。

The promisee hereby guarantees that the entry submitted to the Organizing Committee is finished on his or her own.

承诺人对参赛作品拥有充分、完全、排他的著作权。

The promise shall also have full, complete and exclusive copyright of the entry.

表面上看，不可抗力条款似乎起到了限制承诺人承担责任范围的作用。

Force majeure clauses, it seems, go to limit the extent of the obligation assumed by the promisor.

承诺人不得因此要求享有任何特殊权利或分享竞赛组委会因上述活动所获取的任何权益。

And the promise must not demand any particular rights and share the rights and interests of the Competition Organizing Committee because of the above activities neither.