We recognize the necessity for a written agreement.

我们认为有必要签订一份书面协议。

The newspaper broke a written agreement not to sell certain photographs.

该报纸违反了不出售某些摄影作品的书面协议。

When he gave them a loan, they had to sign a written agreement.

若是给他们贷款, 则需签订书面协议。

Third, moving must sign a written agreement or moving contract.

第三，搬家一定要签订书面协议或搬家合同。

A partnership without a written agreement carries no legal weight.

没有书面协议的合作没有分量。